Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. It is as an alternative to proprietary SaaS messaging, Mattermost brings all your team communication into one place, making it searchable and accessible anywhere.
Mattermost is the only all-in-one solution for developers to collaborate without sacrificing security. Its integrated platform is designed around Channel-based collaboration that connects your people, processes, and tools. Kanban-style Boards make managing projects easier than ever, while Playbooks provide prescribed workflows that drive reliable and repeatable outcomes based on your team’s processes.
Tags | chat chat-server slack-alternative collaboration communication messaging kanban-board team-management project-management |
Implementation | Go |
License | MIT |
Platform | Windows Linux |
Leantime is a lean open source project management system for startups and innovators written in PHP, Javascript with MySQL. It has support of Kanban board, Gantt charts, task management, Timesheet management, Idea boards, Project dashboards, Roles management, Integrations with Mattermost, Slack & Zulip and lot more.
productivity sql agile calendar project-management kanban scrum lean timesheets startups gantt kanban-boards retrospective task-management sprint gantt-chartsRiot is built on top of Matrix. Matrix is an open network for secure, decentralized communication delivering a community of users,bridged networks, integrated bots and applications plus full end-to-end encryption. Riot allows teams to communicate across a wide range of collaboration apps. If some team members use Riot while others use IRC, Slack or Gitter, Riot will allow these team members to seamlessly work together. Riot offers the richest network of communication bridges.
instant-messaging chat secure-chat mobile-apps group-chat colloboration voip video-conferenceFriends is like Slack except P2P, offline friendly and open source. Data is transmitted over secure channels and messages are authenticated. It is made by a group of open source developers who are motivated to make a public chat platform that is easy to use but isn't centrally controlled, and where data is owned by its users.
chat communication irc p2p slack-alternative team-chat chat-server self-hosted webrtcKopano Core provides the foundation for groupware messaging enabling clients such as Kopano WebApp, Kopano DeskApp, mobile and sync clients. With its modular architecture, Kopano Core enables the possibility for a variety of setup scenarios, scalable from a very low-powered system to a multi-datacenter setup providing messaging capabilities to tens of thousands of users.
groupware collaboration mail-server ldap video-conference web-meetings webrtc calendar chat mattermost video audio screen-sharingFocalboard is an open source, self-hosted alternative to Trello, Notion, and Asana. It's a project management tool that helps define, organize, track and manage work across teams, using a familiar kanban board view.
trello agile collaboration project project-management scrum asana notion kanban-board goal-tracking trello-alternative kanbanRestyaboard is Trello like kanban board. It is based on Restya platform, which is based on REST and SOA (Service Oriented Architecture). Its feature include Manage kanban boards, Tasks, To do list, Offline sync - Use without internet, Grid, List, Calendar and Gantt layouts, Rest API, Chat, Mobile app and lot more.
project-management scrum agile kanbanTinode is a Instant Messaging Server. It is not XMPP/Jabber. It is not compatible with XMPP. It's meant as a replacement for XMPP. On the surface, it's a lot like open source WhatsApp or Telegram. The goal of this project is to deliver on XMPP's original vision: create a modern open platform for federated instant messaging with an emphasis on mobile communication. A secondary goal is to create a decentralized IM platform that is much harder to track and block by the governments.
chat golang telegram messaging xmpp messenger grpc whatsapp instant-messaging chatbots chat-application chatapp webchat-server chatserver messaging-api whatsapp-alternativeElement is a messaging app that lets you chat securely with your family and friends. The communication is default end-to-end encrypted, cross-signed device verification and decentralisation to choose who you trust with your data. Element is unique. You own your data and decide where it lives. Element lets you talk securely to anyone, regardless of their app. It supports unlimited voice, video and messaging. It is built on Matrix.
messaging secure-chat chat communication video-call voip matrix conference group-chat instant-messaging im slack-alternativeRocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms. Its features include File sharing, Video conferencing, Screen sharing, Live chat, Link preview and lot more.
chat chat-server screen-sharing video-conference slack-alternative webchat instant-messaging im secure-messagingGitter is designed to make community messaging, collaboration and discovery as smooth and simple as possible. You can easily create, organise and grow your communities, inviting others to join just in one click. Gitter is an instant messaging and chat room system for developers and users of GitHub repositories. Gitter is similar to IRC and Slack. Unlike IRC, and like Slack, it automatically logs all messages in the cloud.
chat instant-messaging im slack-alternative secure-chatSlackin is a little server that enables public access to Slack server. It is like Freenode but on Slack.
slack messaging team-communication team-messaging chat im instant-messagingBraid is an experimental team chat application with a novel UI: instead of chatrooms, it's based on many short conversations. You can think of Braid as an email/mailing-list/web-forum/chatroom hybrid, but without the constant interruptions and FOMO of Slack. It's particularly good for remote-first companies, developer teams and online communities. Braid is also open-source, so you can hack on it and host your own version. You can read more about Braid and then give Braid a try.
chat instant-messaging slack-alternative group-chat team-chatFosscord is a free and open source software compatible with Discord. It's a chat, voice and video platform similar to Slack and Rocket.chat. Fosscord is end-to-end encrypted based on the concept “don’t trust the server”. It is Self-hosted, Secure, Decentralized, Privacy focused, Extendable.
chat video-chat instant-messaging secure-chat discord discord-alternative self-hostedgh-board is a serverless Kanban Board for GitHub Issues. Multiple Repositories in an organization can be shown on a board (from different organizations too!). It has support of Real-Time Collaboration, Milestone Planning, Task management, Managing CI Status and Merge Conflict, Linking Github Issues and Pull Requests.
serverless kanban github issues project-management kanban-board issues-managementZulip is a powerful, open source group chat application. It supports both private messaging and group chats via conversation streams. Zulip also supports fast search, drag-and-drop file uploads, image previews, group private messages, audible notifications, missed-message emails, desktop apps, and much more.
chat im instant-messaging group-chat collaboration slack-alternativeONLYOFFICE is a multi-featured open source office suite, that features online document editors, platform for document management, corporate communication, mail and project management tools.
office-suite cloud email document-management crm online-office-suiteOpen source Android Chat SDK / Messaging SDK that lets you add real time chat and in-app messaging in your mobile (android, iOS) applications and website. Signup at https://www.applozic.com/signup.html to get the application key.
android android-chat-sdk firebase-cloud-messaging gcm gradle notifications fcm real-time realtime realtime-messaging chat chatbot-application chatapp messenger messenger-platform in-app-communication communication communication-library applozic chat-sdkMatrix is an open standard for decentralised communication, providing simple HTTP APIs and open source reference implementations for securely distributing and persisting JSON over an open federation of servers. It can be used for Decentralised Group Chat, WebRTC signalling, Internet of Things, VOIP etc.
voip webrtc skype-alternative video-conference slack-alternative instant-messaging chateXo Platform is an open-source social-collaboration software designed for enterprises. It is full featured, based on standards, extensible and has an amazing design.
social collaboration wiki forum social-collaboration portal document-managementMyCollab is the free and open source collaboration tools, it has three existing modules: Project Management, CRM and Document Management. Intuitive UI, rich features, high performance and stable are the advantages compare with various popular tools in the market such as Redmine, Bugzilla, Mantis etc. This open source is included into a trusted commercial product that is deployed on hundreds of companies' servers. MyCollab does work well on both desktop and mobile devices.
mysql project-management crm collaboration agile kanban kotlin mysql-server microservices spring-boot springframework vaadin mybatis opensource onpremises mybatis3 office-solutions rest-api javaee
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