10+ Best Open Source Projects using Nats in 2026

MinIO

High-performance object storage designed for AI workloads

Stars
60,861
Forks
7,471
Last commit
11 days ago

Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability

Open Source Alternative to:

Amazon S3

Rocket.Chat

Secure, flexible team communication platform

Stars
45,246
Forks
13,547
Last commit
8 hours ago

Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.

Open Source Alternative to:

Discord

Fluxer

Open source messaging with privacy and community focus

Stars
8,521
Forks
486
Last commit
26 days ago

Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Discord

Tyk

Universal API management for REST, GraphQL, gRPC & async

Stars
10,709
Forks
1,151
Last commit
9 hours ago

Fast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.

Open Source Alternative to:

Kong

Fonoster

Open-source cloud communications platform for developers

Stars
7,896
Forks
514
Last commit
27 days ago

Build and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.

Open Source Alternative to:

Twilio

OpenCloud

Secure cloud file sharing with complete data sovereignty

Stars
5,414
Forks
194
Last commit
15 hours ago

Enterprise-grade file management solution offering intuitive collaboration, seamless integration, and comprehensive security with full GDPR compliance.

Open Source Alternative to:

Google Drive

Cosmos Server

Self-hosted cloud platform with automated security

Stars
5,889
Forks
220
Last commit
13 days ago

Complete self-hosting solution with automated maintenance, Smart-Shield protection, anti-DDoS, SSO authentication, and VPN access for secure private cloud management.

Open Source Alternative to:

Umbrel

Rivet

Build stateful backends with in-memory actors

Stars
5,500
Forks
182
Last commit
8 hours ago

Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.

Open Source Alternative to:

Cloudflare Workers

Inngest

Effortless event-driven workflows for modern applications

Stars
5,323
Forks
292
Last commit
8 hours ago

Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

Open Source Alternative to:

Kafka

Soketi

Next-gen WebSockets server for real-time apps

Stars
5,595
Forks
356
Last commit
1 year ago

Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.

Open Source Alternative to:

Firebase

Ever Gauzy

Comprehensive open-source business management platform

Stars
3,674
Forks
764
Last commit
12 hours ago

All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Open Source Alternative to:

HubSpot

Sequin

Open-source message stream built on Postgres

Stars
2,075
Forks
130
Last commit
2 months ago

Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Open Source Alternative to:

Amazon SQS

WunderGraph

Unify APIs, databases, and services effortlessly

Stars
1,204
Forks
234
Last commit
9 hours ago

A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Apollo GraphQL

Bacalhau

Revolutionizing data processing with Compute Over Data

Stars
858
Forks
100
Last commit
7 days ago

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

CodeZero

Build complex automations without code, deploy anywhere with full control

Stars
27
Forks
0
Last commit
10 days ago

Open-source no-code automation platform for logistics, chatbots, and AI agents. Deploy on cloud, self-host, or hybrid with complete data sovereignty and modular workflow design.

MinIO

High-performance object storage designed for AI workloads

Stars
60,861
Forks
7,471
Last commit
11 days ago

Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability

Open Source Alternative to:

Amazon S3

Rocket.Chat

Secure, flexible team communication platform

Stars
45,246
Forks
13,547
Last commit
8 hours ago

Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.

Open Source Alternative to:

Discord

Fluxer

Open source messaging with privacy and community focus

Stars
8,521
Forks
486
Last commit
26 days ago

Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Discord

Tyk

Universal API management for REST, GraphQL, gRPC & async

Stars
10,709
Forks
1,151
Last commit
9 hours ago

Fast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.

Open Source Alternative to:

Kong

Fonoster

Open-source cloud communications platform for developers

Stars
7,896
Forks
514
Last commit
27 days ago

Build and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.

Open Source Alternative to:

Twilio

OpenCloud

Secure cloud file sharing with complete data sovereignty

Stars
5,414
Forks
194
Last commit
15 hours ago

Enterprise-grade file management solution offering intuitive collaboration, seamless integration, and comprehensive security with full GDPR compliance.

Open Source Alternative to:

Google Drive

Cosmos Server

Self-hosted cloud platform with automated security

Stars
5,889
Forks
220
Last commit
13 days ago

Complete self-hosting solution with automated maintenance, Smart-Shield protection, anti-DDoS, SSO authentication, and VPN access for secure private cloud management.

Open Source Alternative to:

Umbrel

Rivet

Build stateful backends with in-memory actors

Stars
5,500
Forks
182
Last commit
8 hours ago

Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.

Open Source Alternative to:

Cloudflare Workers

Inngest

Effortless event-driven workflows for modern applications

Stars
5,323
Forks
292
Last commit
8 hours ago

Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

Open Source Alternative to:

Kafka

Soketi

Next-gen WebSockets server for real-time apps

Stars
5,595
Forks
356
Last commit
1 year ago

Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.

Open Source Alternative to:

Firebase

Ever Gauzy

Comprehensive open-source business management platform

Stars
3,674
Forks
764
Last commit
12 hours ago

All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Open Source Alternative to:

HubSpot

Sequin

Open-source message stream built on Postgres

Stars
2,075
Forks
130
Last commit
2 months ago

Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Open Source Alternative to:

Amazon SQS

WunderGraph

Unify APIs, databases, and services effortlessly

Stars
1,204
Forks
234
Last commit
9 hours ago

A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Apollo GraphQL

Bacalhau

Revolutionizing data processing with Compute Over Data

Stars
858
Forks
100
Last commit
7 days ago

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

CodeZero

Build complex automations without code, deploy anywhere with full control

Stars
27
Forks
0
Last commit
10 days ago

Open-source no-code automation platform for logistics, chatbots, and AI agents. Deploy on cloud, self-host, or hybrid with complete data sovereignty and modular workflow design.

Open Source Projects using Nats

A curated collection of the 15 best open source software using Nats. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

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Browse tools using Nats by category

AI Agent Platforms using Nats

API Infrastructure Tools using Nats

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Collaborative Workspaces using Nats

CRM Systems using Nats

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Distributed Compute Tools using Nats

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ERP Systems using Nats

Frameworks & Platforms using Nats

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Team Chat & Messaging Tools using Nats

Video Conferencing & Virtual Office Tools using Nats

Web Frameworks using Nats

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Workflow Orchestration Tools using Nats