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icon of Svix

Svix

Web & App DevelopmentIT ManagementProduct & Project Management+4

Svix is an open source webhooks-as-a-service platform that handles delivery, retries, signing, and a customer-facing developer portal for managing webhook endpoints in your application. MIT licensed.

stars 3.2Klicense MITlang Rust
API InfrastructureDeveloper ToolsAuthentication+12
icon of Adapt

Adapt

Communication & Collaboration

It is a lightweight, customizable, and open-source messaging platform focused on user privacy and community building.

stars 1license AGPL-3.0
ChatSelf HostedOpen Core+4
icon of SpacebarChat

SpacebarChat

Communication & CollaborationWeb & App DevelopmentIT Management

It is a free, open-source Discord reimplementation, offering self-hosted, secure communication similar to Slack and Rocket.chat.

stars 2.1Klicense AGPL-3.0lang TypeScript
Self HostedChatOpen Core+4
icon of Converse.js

Converse.js

Communication & CollaborationWeb & App Development

An open-source, web-based XMPP chat client offering self-hosting, customization, and end-to-end encryption for secure messaging.

stars 3.2Klicense MPL-2.0lang JavaScript
ChatWebSocket ServersSelf Hosted+10
icon of Matrix

Matrix

Communication & CollaborationWeb & App DevelopmentIT Management+1

An open protocol for secure, decentralized communication, enabling real-time messaging, VoIP, and data transfer across platforms.

stars 12.1Klicense Apache-2.0lang Python
ChatSecurityWebSocket Servers+11
icon of Tinode

Tinode

Communication & CollaborationWeb & App DevelopmentIT Management

Tinode is an open source instant messaging platform with a backend server and multi-platform clients for building private messaging into web and mobile applications. A self-hosted alternative to Sendbird; GPL-3.0 licensed (server).

stars 13.3Klicense GPL-3.0lang Go
ChatWebSocket ServersSelf Hosted+7
icon of Jitsi

Jitsi

It is a free, open-source video conferencing solution for web and mobile, offering secure, flexible, and feature-rich communication capabilities.

stars 29Klicense Apache-2.0lang TypeScript
VideoSelf HostedOpen Core+3
icon of Centrifugo

Centrifugo

Web & App DevelopmentIT ManagementCommunication & Collaboration

A scalable real-time messaging server that provides various real-time transports and integrates with any application.

stars 10.2Klicense Apache-2.0lang Go
WebSocket ServersDeveloper ToolsAPI Infrastructure+2
icon of LiveKit

LiveKit

AI & Machine LearningWeb & App DevelopmentCommunication & Collaboration+1

LiveKit is open source real-time voice AI infrastructure for building and scaling voice agents and video applications using WebRTC — self-hosted or cloud, Apache 2.0.

stars 10.1Klicense Apache-2.0lang Python
AI AgentsLLMAPI Infrastructure+13
icon of QuestDB

QuestDB

Finance & FintechData & AnalyticsWeb & App Development+1

An open-source time-series database engineered for high-performance data ingestion and ultra-low latency SQL queries, ideal for demanding workloads.

stars 16.9Klicense Apache-2.0lang Java
DatabaseOpen CoreDeveloper Tools+7
icon of Coolify

Coolify

Web & App DevelopmentIT Management

Coolify is a self-hosted Heroku alternative that deploys apps, databases, and services to any SSH-accessible server. Apache 2.0 licensed with no per-seat or per-deployment fees.

stars 304license MITlang Go
Self HostedDocker ManagementServer Management+9
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