Self-hosted projects built with NATS

Open-source observability pipeline to collect, transform, and route logs and metrics with a single, high-performance binary and programmable transforms.

MPL-2.0Actively maintained

Alternative to:

Elastic Logstash+13

All-in-one open-source mail and collaboration server with SMTP, IMAP, JMAP, CalDAV, CardDAV, and WebDAV, plus integrated anti-spam and phishing protection.

Actively maintained

Alternative to:

Microsoft Exchange Online+19

Open-source, Go-based real-time messaging server for pub/sub and live updates; supports WebSocket, SSE, gRPC and brokers (Redis, NATS) with official SDKs.

Apache-2.0Actively maintained

Alternative to:

Centrifugo Cloud+4

Open-source, self-hosted web conferencing platform built on LiveKit and Go, offering scalable WebRTC meetings, recordings, broadcasting, collaboration tools, and AI meeting intelligence.

MITActively maintained

Alternative to:

Zoom+16