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icon of Revolt

Revolt

stars 2.3Kforks 56

Self-hosted open source Discord alternative with servers

ChatSelf HostedSecurity+4
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icon of ToolJet

ToolJet

stars 37.9Kforks 5.1K

Build internal tools with a drag-and-drop UI and 50+ connectors

Low-codeNo CodeSelf Hosted+5
icon of Matrix

Matrix

stars 12.1Kforks 2.1K

Open protocol for secure, decentralized messaging and VoIP

ChatSecurityAPI Infrastructure+3
icon of Scoold

Scoold

stars 917forks 229

Self-hosted Q&A platform for internal team knowledge

Knowledge ManagementKnowledge BaseSelf Hosted+5
icon of Jitsi

Jitsi

stars 29.2Kforks 7.9K

Free video conferencing you can self-host with no account needed

VideoChatSelf Hosted+3
icon of GPT‑NeoX

GPT‑NeoX

stars 7.4Kforks 1.1K

EleutherAI's framework for training LLMs at research scale

LLMLLMOpsDeveloper Framework+3
icon of Centrifugo

Centrifugo

stars 10.3Kforks 702

Scalable real-time messaging server with WebSocket support

WebSocket ServersAPI InfrastructureSelf Hosted+3
icon of Weaviate

Weaviate

stars 16.2Kforks 1.3K

AI-native vector database for semantic search and AI apps

DatabaseLLMRAG+4
icon of Apache PDFBox

Apache PDFBox

stars 3.1Kforks 945

Open source Java library for creating and parsing PDFs

Developer FrameworkCodingDocumentation+4
icon of Mattermost

Mattermost

stars 36.7Kforks 8.6K

Team messaging for security-sensitive teams with air-gap support

ChatSelf HostedWorkflow Automation+3
icon of Apache AsterixDB

Apache AsterixDB

stars 313forks 163

Scalable Big Data management with high-performance analytics

DatabaseData VisualizationDeveloper Tools+4
icon of Redis

Redis

stars 74.5Kforks 24.6K

High-performance open source in-memory data structure store

DatabaseSelf HostedAPI Infrastructure+3