DiIndonesia salah satu motor utama Internet telepon berbasis SIP adalah rekan-rekan di VoIP Rakyat merupakan komunitas riset dan pengembangan teknologi VoIP berbasis Open Source di Indonesia. VoIP Rakyat dikembangkan di bawah pimpinan Anton Raharja (anton@ngoprek.org) dengan timnya, yaitu, Abdul Hanan dan Moses Kurniawan yang banyak dibantu oleh para siswa magang di ICT Center Jakarta dan didukung penuh oleh manajemen ICT Center Jakarta.
Gambar2 Arsitektur Sistem Berbasis SIP Untuk membuat suatu VoIP server dibutuhkan software. Asterisk merupakan software VoIP server berbasis SIP yang populer digunakan saat ini, dikarenakan software ini bersifat gratis, open source, dan memiliki fitur yang beragam untuk menyediakan layanan VoIP pada jaringan. 2.2. Parallel Computing
OpenIMS Core adalah perangkat lunak yang berbasis open source yang dapat melakukan simulasi jaringan arsitektur IMS yang dikembangkan oleh Fraunhofer Institute FOKUS untuk menangani layanan VoIP server. Open IMS Core ini berjalan pada Linux Ubuntu 10.04 yang diimplementasikan pada jaringan wireless LAN.
5Software VOIP Berbasis Open Source yang Bisa Diinstal Pada Laptop atau PC 1. Elastix. Software yang bisa dimanfaatkan untuk membangun server komunikasi diantaranya Elastix. Ada beberapa fitur 2. SIPFoundry. Software ini mampu menjadi pesaing diantara banyak software VOIP berbasis open source
DaftarSoftware / Aplikasi VOIP Open Source Gratis 1. Asterisk. Software Asterisk adalah software pertama dari semua software VoIP dan PBX open source, dan terus 2. Elastix. Awalnya Elastix berbasis di platform Asterisk, Elastix menawarkan software server komunikasi terpadu open 3. FreePBX.
eRSAI. Browse free open source VoIP software and projects for Windows below. Use the toggles on the left to filter open source VoIP software by OS, license, language, programming language, and project status. LibreOffice is a free and powerful office suite. Word processor, spreadsheet, presentations, diagrams, databases, formula editors, charts, and more. Compatible with Windows, Mac, and Linux. Find the next step in your career. Find and apply for remote jobs and jobs in your area using the Slashdot Job Board. Browse by job, company, location, and more. 1 Open Source and Unified Communications partners created a new platform based on an Elastix fork currently purchased by 3CX to provide the community with continuity, peace of mind and support needed to continue with their PBX and operation developments. Contribute to the funding of Issabel on Downloads 2,514 This Week Last Update 22 hours ago See Project 2 Elastix Unified Communications Server Elastix is a software-based PBX powered by 3CX and based on Debian. An open-standards solution, Elastix is an easy to install and manage UC system compatible with popular IP phones, gateways and SIP trunks. Elastix is complete with unified communications features such as integrated WebRTC video conferencing, chat, presence and softphones and smartphone clients for Windows, Mac, iOS and Android. Downloads 469 This Week Last Update 2021-11-04 See Project 3 Ever wanted to cut out background noise when talking with others on Skype? Now it's possible! NoiseGator is a light-weight noise gate application that routes audio through an audio input to an audio output. In real-time the audio level is analysed and if the average level is higher than the threshold the audio bypasses as normal. However, if the average level goes below the threshold, the gate closes and the audio is cut. When used with a virtual audio cable it can act as a noise gate for a either a sound inputmicrophone or sound outputspeakers. Can also be used to gate noise from your own mic or play your microphone through your speakers. REQUIREMENTS - Java 7 or higher for Windows. - Java 6 or higher for Mac. Java 7 recommended. - A virtual audio cable is required for use with VOIPs For Windows users I recommend the VB-Cable driver Mac users can use SoundFlower. Downloads 759 This Week Last Update 2016-11-08 See Project 4 JDA Java wrapper for the popular chat & VOIP service JDA strives to provide a clean and full wrapping of the Discord REST api and its Websocket-Events for Java. This library is a helpful tool that provides the functionality to create a discord bot in java. Discord is currently prohibiting the creation and usage of automated client accounts We have officially dropped support for client login as of version Note that JDA is not a good tool to build a custom discord client as it loads all servers/guilds on startup, unlike a client which does this via lazy loading instead. If you need a bot, use a bot account from the Application Dashboard. Creating the JDA Object is done via the JDABuilder class. After setting the token and other options via setters, the JDA Object is then created by calling the build method. When build returns, JDA might not have finished starting up. However, you can use await ready on the JDA object to ensure that the entire cache is loaded before proceeding. Downloads 14 This Week Last Update 2023-06-04 See Project We help companies keep their networks and Internet connections secure. Our VPN service adds an extra layer of protection to secure your communications. We do this by applying strong encryption to all incoming and outgoing traffic so that no third parties can access your confidential information. Protect your organization against security breaches. Secure remote team access. Simplify business network security. Access region-specific online content from anywhere in the world 5 Open Source - GPLv3 inc images. *** PLEASE NOTE There are now 2 seperate versions here. *** One is Pre Firefox 57. The other is Post Firefox 57. *** For those providing mirrors, please enable your users to realize this. Vidalia Based, Tor as a Service Solution. MicroSip enables FREE PC to PC video calling with no account sign-up and no middleman server. WASTE enables FREE Conference VoIP, chat, file transfer and support. *** AI Powered *** Tor/i2p enables safer browsing. Tor/i2p Profile Browse over Tor/i2p on Firefox Vanilla, ESR, Waterfox Classic, New, Palemoon , LibreWolf and legacy CyberFox. As with all versions of Tor - do not rely on this for strong anonymity. A usability enhanced Privacy Pack. An installer, for Vista 32/64, Win7 32/64, Win8 32/64, Win10 32/64, Win11, Linux Wine Downloads 72 This Week Last Update 3 days ago See Project 6 Open Phone Abstraction Library OPAL is a C++ multi-platform, multi-protocol library for Fax, Video & Voice over IP and other networks. Also included is the Portable Tool Library PTLib which is a C++ multi-platform abstraction library and collection o Downloads 36 This Week Last Update 2 days ago See Project 7 Kiax is a softphone soft phone, VoIP client with a simple and comfortable user interface for making VoIP calls to Asterisk PBX. It depends on the iaxclient library to use Asterisk's IAX2 protocol for easy call configuration and audio setup. Downloads 19 This Week Last Update 2013-04-26 See Project 8 Asterisk Monitor is a HTML interface that acts a operator pannel for asterisk to display user/peer status and calls. This uses a reverse AJAX, PHP and Python to originate, transfer and hangup calls, manage queues and meetme rooms. Downloads 13 This Week Last Update 2016-07-20 See Project 9 New version This is the code to STUNTMAN - an open source STUN server and client code by john selbie. Compliant with the latest RFCs including 5389, 5769, and 5780. Also includes backwards compatibility for RFC 3489. ICE and WebRTC ready. Version compiles on Linux, MacOS, BSD, and Solaris. Supports the STUN protocol on both UDP and TCP for both IPv4 and IPv6. Windows binaries are also provided. Additional features are in development. This is a mirror of the code on More details on the project's website Downloads 51 This Week Last Update 2020-04-07 See Project Get Paid for Web SurfingCryptoTab Browser—an innovative browsing solution, combining the edgiest web technologies with the unique built-in mining algorithm. Try CryptoTab—the world's first browser with mining features. Earn bitcoin without looking up from watching videos, chatting, or gaming online. Join the community of more than 20 million users all over the world already enjoying CryptoTab Browser. 10 What is t38modem? From your application view point it's a fax/voice modem pool. From IP network view point it's a endpoint with fax support. From your view point it's a gateway between an application and IP network. Works with HylaFAX. Downloads 10 This Week Last Update 2017-01-12 See Project 11 mod_MumbleLink Positional Audio Communication for Minecraft with Mumble A Mod so that Minecraft now natively supports Mumble's positional audio feature. This means Directional and positionally attenuated VOIP in relation to the game world. Please visit the Forum for information about the newest Version! Main Forum-Thread TheSkorm's Fork on GitHub Mumble Donations are greatly appreciated Downloads 5 This Week Last Update 2015-08-17 See Project 12 Open Source - GPLv3 inc images. A WASTE client. Download and create your own WASTE networks. Move 1000's of GB's at 100MB+ per sec. 800 Mbits per sec FULL pause and resume capable. Voice Conference, Chat, Transfer files and Participate in Forums in a secure environment. For Windows XP 32/64, Vista 32/64, Win7 32/64, Win8 32/64, Win 10, Win 11, Linux WINE. *** User Based Access Control - for voice, chats, file transfers and uploads. useful in NULLNETS *** Distributed Autonomic-Performance-Tuning - A Goal-Seeking Swarming-Semiotic AI *** AI Connect - AI Managed Connections. *** Built-in Self-Organising Anti-Spoofing Technology *** Geared Multi-threading, providing the smoothest performance possible *** Advanced Threat Detect and Manage Technology *** Voice Conferencing Over WASTE Downloads 21 This Week Last Update 5 days ago See Project 13 The Asterisk .NET library consists of a set of C classes that allow you to easily build applications that interact with an Asterisk PBX Server version. Both FastAGI and Manager API supported. .NET/Mono compatible. Downloads 6 This Week Last Update 2013-02-03 See Project 14 jphonelite Java VoIP Softphone SIP replaced by jfPhone jphonelite is a Java SIP VoIP SoftPhone for Desktops Windows, Linux, Mac and Android. Features 6 lines with transfer, hold, conference up to all 6 lines, g711 u/a, g722, g729a, and video video support in Linux or Windows only and includes H263/H264/VP8. Applet includes full JavaScript support. STUN/TURN/ICE supported. Encrypt media with SRTP. DTLS Key Exchange. Video conferencing with jPBXLite/ NOTE THIS PROJECT HAS BEEN SUPERSEDED BY jfPhone. Please go to to get latest version. Downloads 4 This Week Last Update 2020-08-30 See Project 15 Intel Integrated Performace Primitives audio/video codecs plug-in for the OPAL/OpenH323 library including GSM-FR, GSM-AMR, and MPEG4 part 2. Downloads 3 This Week Last Update 2017-11-28 See Project 16 vTiger Freeswitch Integration by NYFON. Allows to perform outbound Click to Call and incoming wip calls from vTiger interface. Modified PBXManager allows to choose between Asterisk and Freeswitch for PBX integration. Same and extended in the future functionality as Asterisk interface. Downloads 5 This Week Last Update 2016-10-11 See Project 17 The project has moved! Please find current versions at The GNU Gatekeeper GnuGk is a full featured gatekeeper under GPL license. It supports VoIP and videoconferencing and includes Radius and database support and many call routing functions. The project has moved! Please find current versions at Downloads 3 This Week Last Update 2018-01-13 See Project 18 OfficeSIP Softphone and Messenger are two enterprise VoIP SIP clients written in C in .NET Framework. The SIP clients make use of Microsoft UCC API SDK, ensuring the highest quality of audio and video. Compatible with Office Communications Server. See also open source, cross-platform 1 simple messenger Brief Msg at 2 MUVConf is a multi-user video conferencing, see demo video download Downloads 3 This Week Last Update 2016-11-29 See Project 19 Jabbin is an Open Source social application that combines VoIP, Instant Messaging and Social Networking, allowing you to focus on what you really care about your friends. Downloads 6 This Week Last Update 2020-09-23 See Project 20 This is a web based instant 1 on 1 private online video conferencing solution. It's a solution for conducting easy to setup face to face meetings without leaving your office or home. It's the easiest and most cost-effective way to meet somebody and discuss one on one, to make a video call just by providing a private room access link. Downloads 3 This Week Last Update 2014-08-31 See Project 21 FATS - FATS is a Twisted and Fast Asterisk's Telephony Services. Project contains implementation of FastAGI, AMI protocols for the Twisted framework. Using it you can develop fast and pretty services for the Asterisk IP-PBX. Downloads 5 This Week Last Update 2013-04-18 See Project 22 Twisted Protocols for communication with FreeSWITCH PySWITCH is a Twisted Python library that allows you to communicate with FreeSWITCH using inbound and outbound EventSocket connections. Downloads 5 This Week Last Update 2015-09-21 See Project 23 The Mumble PHP Interface MumPI for short allows you to manage your Mumble servers via a webinterface. Users can register, upload textures, and retrieve account data. Admins can manage virtual servers, registrations, admin accounts, online users… Downloads 1 This Week Last Update 2016-01-30 See Project 24 PolycomVVXControl A command line utility for remote controlling Polycom VVX IP phones Application to remote control Polycom VVX IP phones via their web interface using HTTPS. This application is initially intended to perform certain actions on phones running in Microsoft Lync mode. These actions include * get device information * get status * sign in using PIN authentication * sign out * reboot * factory reset It also supports performing actions in batch reading data from a CSV file. Downloads 2 This Week Last Update 2016-06-03 See Project 25 This is a simple tool to map information for the cost of phone calls given by your VoIP provider, to the call log inside your Asterisk. As a result, you will know how much each of your employees has spent for phone calls. Additionally, this tool shows information about the assigned DID and CLIP numbers in Asterisk. This is helpful to identify obsolete, duplicate and multiple assignments. Downloads 3 This Week Last Update 2016-03-07 See Project
Software VoIP Berbasis Open Source – VoIP merupakan teknologi yang memungkinkan pengguna untuk terhubung secara real time dengan suara melalui jaringan internet protocol atau IP. Teknologi ini dioperasikan melalui perangkat seluler dan PC. Kini aktivasi VoIP digunakan untuk menyampaikan komunikasi suara melalui internet. Adapun daftar software VoIP berbasis open source gratis sebagai berikut5 Software VoIP Berbasis Open Source GratisElastixFreePBXAsteriskFreeSWITCHSIP Foundrysoftware voip berbasis open sourceElastixPada nomor satu terdapat software VoIP berbasis open source gratis bernama Elastix. Semula software ini berbasis Asterisk. Software ini menawarkan server komunikasi terpadu open source seperti email, IM, fax, IP PBX, FreePBX, Openfire, HylaFAX, serta Postfix. Semua fitur ini dikemas Elastix dalam satu interface yang ramah pengguna dan mudah satu distribusi pertama yang menyertakan modul pusat panggilan dengan dialer prediktif ini juga menawarkan banyaknya dukungan perangkat keras. Adapun di antaranya seperti Yeastar, Yealink, Dinstar, Digium, dan Snom. Semua fitur yang ditawarkan oleh Elastix ini bersifat open source gratis dalam lisensi publik umum GNU.FreePBXSelanjutnya, terdapat FreePBX yang dapat digunakan sebagai aplikasi open source guna membuat akses server VoIP gratis untuk penggunanya. FreePBX tersedia dalam interface pengguna grafis berbasis website atau GUI yang berguna untuk memudahkan pengguna mengelola sistem. Pada dasarnya, sistem FreePBX juga berbasis juga Cara Masuk Telegram di LaptopKurang lebih untuk fitur yang ditawarkan oleh FreePBX sama seperti kebanyakan software untuk membuat server VoIP lainnya. Dengan kata lain, jika pengguna belum memiliki FreePBX versi GUI, pengguna bisa menambahkan versi GUI saja untuk ditambahkan ke versi yang sudah di beberapa keterangan software lainnya, rupanya Asterisk merupakan software pertama dari seluruh aplikasi penyedia server VoIP dan PBX open source yang ada. Meski telah dirilis sejak lama, Asterisk hingga kini masih beroperasi dan bahkan disebut sebagai software VoIP berbasis open source demikian sebenarnya wajar saja, sebab penggunaan alat Asterisk di dominasi oleh perusahaan besar di seluruh dunia. Asterisk mengantongi banyak fitur seperti panggilan konferensi, distribusi panggilan otomatis, respon suara interaktif, dan masih banyak lainnya. Dengan Asterisk semua komputer bisa diubah menjadi server komunikasi aplikasi ini juga berbasis Asterisk. FreeSWITCH dikembangkan oleh Brian West, Anthony Minessale II, dan Michael Jerris. Aplikasi ini berfokus pada modulatory dengan tambahan teknologi dukungan lintas platform serta stabilitas dan skalabilitas yang dapat mendukung penggunanya menciptakan UC suite nya sendiri. Dengan platform PBX lainnya, FreeSWITCH dapat terintegrasi dengan juga Cara Daftar Zoom BerbayarSelain itu, FreeSWITCH juga mendukung SIP, WebRTC, dan Aplikasi ini menyediakan pustaka software yang tersedia secara terbuka atau open source untuk memudahkan penggunanya mengoperasikan sistemnya yang kompleks. Sebagai tambahan informasi, FreeSWITCH menyediakan fitur pengenalan sintesis suara, interface PSTN untuk jenis sirkuit analog maupun digital, serta fitur panggilan FoundryTerakhir ada software VoIP berbasis open source gratis yang digadang-gadang sebagai pesaing terberat dari Asterisk. Ini dilatarbelakangi oleh banyaknya fitur serupa yang ada di Asterisk. Aplikasi yang didirikan di tahun 2004 ini dapat membangun komunikasi suara dan video, pesan terpadu, IM, klien selular, dan membangun komunikasi konferensi mandiri untuk daftar software VoIP berbasis open source yang dapat digunakan gratis tanpa biaya untuk membangun komunikasi suara terpadu secara mandiri. Penggunaan teknologi VoIP akan sangat efektif untuk membuat alur komunikasi terpadu terutama untuk pengguna dengan instansi atau informasi teknologi paling update rekomendasi dari Terminal Tekno langsung ke smartphone kamu melalui aplikasi Telegram dengan bergabung di
VocĂŞ sabe o que Ă© o VoIP? A sigla pode parecer complicada, mas em resumo Ă© usada para se referir aos aplicativos e programas que permitem fazer ligações entre dispositivos sem usar uma rede telefĂ´nica em si, apenas com a internet. Quer conferir como vocĂŞ pode fazer isso? Confira uma seleção repleta de apps incrĂveis!Nossas recomendações nĂŁo poderiam começar sem um dos programas mais famosos quando falamos de comunicação o Skype. Apesar de ser mais conhecido por sua funcionalidade de chamada de vĂdeo, a plataforma permite tambĂ©m conversar apenas por áudio, mostrando que atende todos os mesmo sentido, caso queira descobrir algum programa alternativo, o Tango Messenger, Video & Calls tambĂ©m oferece diversos recursos, inclusive a mensagem de texto, para que a comunicação entre usuários ocorra sem maiores quem busca simplicidade em um programa e nĂŁo quer perder tempo com funções desnecessárias, o LoudTalks Ă© o app de VoIP perfeito para vocĂŞ. Com interface dinâmica e comandos fáceis de entender, o usuário Ă© capaz de realizar chamadas com apenas um clique!Para conversar com mĂşltiplas pessoas ao mesmo tempo, o que fazer? Fácil! Basta instalar o TiLK, transformar o seu celular em um walkie-talkie e reviver a Ă©poca em que o digital nĂŁo tomava de conta do nosso cotidiano. Junte todo mundo, mesmo Ă distância, e aproveite!Caso queira usar a oportunidade de conversar para conseguir algum benefĂcio em troca, o Talkzilla atende o seu desejo! O aplicativo, alĂ©m de oferecer taxas reduzidas para ligações nacionais ou internacionais, ainda fornece descontos para os usuários. VocĂŞ nĂŁo vai perder essa chance, vai?Instale um dos apps da nossa lista de VoIP, dependendo do seu objetivo, e aproveite diferentes benefĂcios. Existem aqueles mais completos e complexos, que unem diversas funções em um mesmo lugar, e os mais simples, caso prefira algo pontual e direto.
Transforme o seu PC em uma central telefĂ´nica e de mensagens de voz com os nossos programas de VoIP para Windows Zoom App de videochamadas para ambientes de trabalho Mensagens de texto, chamadas e videochamadas para telefones, celulares e computadores Cliente para Windows do app de chat e videochamadas Cliente VoIP para chamadas de voz e vĂdeo Mude sua voz em tempo real Envie mensagens de voz gratuitas do seu PC Um programa leve para fazer chamadas telefĂ´nicas Softphone SIP para falar e enviar mensagens gratuitas Faça chamadas telefĂ´nicas a baixo custo graças Ă tecnologia VoIP A versĂŁo portátil do popular cliente VoIP Cliente VoIP para conversar com seus contatos App para fazer chamadas VoIP e videochamadas Gravador de conversas e secretária eletrĂ´nica para o Skype Chamadas VoIP gratuitas O serviço fonYou para o Windows Servidor VoIP completo Descubra todos os dados guardados pelo Skype Grave facilmente suas conversas de Skype Bata papo com seus amigos atravĂ©s da Internet Reduza os barulhos em conversas de voz atravĂ©s de nosso PC Aumente as opções de Skype Pratica secretária eletrĂ´nica para os usuários de Skype
HERMAWAN, HERU 2018 DESIGN DAN IMPLEMENTASI VOIP SERVER BERBASIS OPEN SOURCE FREEPBX DI PT. KYATJITU TARGETAMA. S1 thesis, Universitas Mercu Buana Jakarta. Text JURNAL MAHASISWA JURNAL 41515120045 HERU Restricted to Registered users only Download 1MB Abstract Dewasa ini perkembangan teknologi telekomunikasi mengarah pada teknologi berbasis Internet Protocol IP. Voice over Internet Protocol VoIP bukan merupakan teknologi baru. VoIP adalah suatu mekanisme teknologi yang memungkinkan terjadinya percakapan voice baik jarak jauh maupun dekat, dengan memanfaatkan internet. Keuntungan menggunakan VoIP adalah biaya lebih rendah untuk sambungan langsung jarak jauh. Penekanan utama dari VoIP adalah biaya. Dengan dua lokasi yang terhubung dengan internet maka biaya percakapan menjadi sangat rendah. Pada proyek ini akan dibuat sebuah layanan jaringan komunikasi VoIP server menggunakan distro FreePBX dan PC sebagai server. Layanan ini bertujuan supaya admin di kantor dan tim yang di lapangan dapat berkomunikasi secara ekonomis dan praktis. FreePBX merupakan sistem operasi berbasis Linux CentOs yang digabungkan dengan software komunikasi open source AsteriskNow. Server FreePBX berfungsi untuk layanan telepon berbasis IP yang dapat menghubungkan aplikasi softphone zoiper pada smartphone dengan aplikasi softphone pada PC/Laptop supaya dapat saling berkomunikasi. Kata Kunci VoIP, FreePBX, SIP Session Initiation Protocol, Open Source Item Type Thesis S1 NIM/NIDN Creators 41515120045 Uncontrolled Keywords VoIP, FreePBX, SIP Session Initiation Protocol, Open Source Subjects 000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 000. Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 004 Data Processing, Computer Science/Pemrosesan Data, Ilmu Komputer, Teknik Informatika000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 000. Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 004 Data Processing, Computer Science/Pemrosesan Data, Ilmu Komputer, Teknik Informatika > Interfacing and Communications/Tampilan Antar Muka Interface dan Jaringan Komunikasi Komputer000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 000. Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 004 Data Processing, Computer Science/Pemrosesan Data, Ilmu Komputer, Teknik Informatika > Interfacing and Communications/Tampilan Antar Muka Interface dan Jaringan Komunikasi Komputer > Wide Area Network WAN/Wide Area Network000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 000. Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 004 Data Processing, Computer Science/Pemrosesan Data, Ilmu Komputer, Teknik Informatika > Interfacing and Communications/Tampilan Antar Muka Interface dan Jaringan Komunikasi Komputer > Wide Area Network WAN/Wide Area Network > Internet World Wide Web/Internet000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 000. Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 006 Special Computer Methods/Metode Komputer Tertentu > Multimedia Systems/Sistem-sistem Multimedia > Social Multimedia/Multimedia Social > Blogs/Blog, Web Blog Divisions Fakultas Ilmu Komputer > Informatika Depositing User Dede Muksin Lubis Date Deposited 08 Nov 2018 0052 Last Modified 08 Nov 2018 0052 URI Actions login required View Item
software voip berbasis open source
