Open Source Projects using Nats
A curated collection of the 19 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.
Self-hosted AI runtime for text, voice, vision, and agents
Stars
48,862Last commit
10 hours agoLicense
MIT
Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.
Open Source Alternative to:
Self-hosted team messaging with voice, video, and AI
Stars
46,084Last commit
5 hours agoLicense
MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
Open Source Alternative to:
High-performance object storage designed for AI workloads
Stars
61,374Last commit
4 months agoLicense
AGPL-3.0
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Open Source Alternative to:
Open source messaging with privacy and community focus
Stars
10,176Last commit
5 hours agoLicense
AGPL-3.0
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:
Universal API management for REST, GraphQL, gRPC & async
Stars
10,814Last commit
9 hours agoLicense
Unknown
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:
Open-source cloud communications platform for developers
Stars
8,098Last commit
4 days agoLicense
MIT
Build and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.
Open Source Alternative to:
Self-hosted file sharing built for digital sovereignty
Stars
5,885Last commit
9 hours agoLicense
Apache-2.0
Self-hostable cloud file management and collaboration platform with an integrated office suite, zero-trust security, and GDPR compliance for teams and organizations.
Open Source Alternative to:
Build stateful backends with in-memory actors
Stars
6,108Last commit
5 hours agoLicense
Apache-2.0
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:
Self-hosted cloud platform with automated security
Stars
6,141Last commit
5 days agoLicense
Unknown
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:
Effortless event-driven workflows for modern applications
Stars
5,806Last commit
5 hours agoLicense
SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.
Open Source Alternative to:
Comprehensive open-source business management platform
Stars
4,368Last commit
6 hours agoLicense
AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
Open Source Alternative to:
Next-gen WebSockets server for real-time apps
Stars
5,635Last commit
2 years agoLicense
AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Open Source Alternative to:
Open-source message stream built on Postgres
Stars
2,195Last commit
6 months agoLicense
MIT
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:
Enterprise file sync, share, and collaboration platform
Stars
2,111Last commit
14 hours agoLicense
Apache-2.0
Self-hostable file platform for enterprises needing data sovereignty, real-time document collaboration, and compliance with GDPR, HIPAA, and other regulations.
Open Source Alternative to:
Unify APIs, databases, and services effortlessly
Stars
1,263Last commit
11 hours agoLicense
Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Open Source Alternative to:
Revolutionizing data processing with Compute Over Data
Stars
871Last commit
3 days agoLicense
Apache-2.0
Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Persistent cloud VMs that hibernate and wake in seconds
Stars
504Last commit
5 hours agoLicense
Apache-2.0
Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.
Open Source Alternative to:
AWS-compatible cloud APIs on infrastructure you control
Stars
149Last commit
5 hours agoLicense
AGPL-3.0
Spinifex recreates EC2, S3, EBS, VPC, IAM, and more on your own hardware, so AWS-built software runs unchanged without touching a hyperscaler.
Open Source Alternative to:
Build complex automations without code, deploy anywhere with full control
Stars
53Last commit
2 months agoLicense
MIT
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 Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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