Stop building what already exists.
4,906 open-source tools a startup can run itself, grouped by the job they do. Free, no login, no paywall.
Categories
- AI & ML869
Model runtimes, agent frameworks, and inference you host yourself.
- SaaS Development252
Backends, admin panels, and the plumbing under the product itself.
- Authentication & Security317
Login, identity, and access control you do not have to build.
- Marketing & SEO187
Campaigns, newsletters, and site audits.
- CRM & Sales86
Contacts, pipelines, and deal tracking.
- Analytics & BI390
Traffic stats, product analytics, and dashboards over your own data.
- Infrastructure & DevOps837
Deploys, proxies, and hosting sized for a small team.
- E-commerce89
Storefronts, carts, and checkout you control.
- Customer Support157
Shared inboxes, help desks, and live chat.
- Productivity & Automation475
Scheduling, workflow automation, and internal glue.
- Design & UI Components133
Component libraries and design tooling.
- Databases559
Stores and engines that sit behind the product.
- Developer Tools555
Error tracking, API clients, and the tooling around the codebase.
Stacks
All stacks- Open-source SaaS starter
One pick per layer for a product you intend to run yourself, chosen so the whole set can sit on a single server if it has to.
- Self-hosted support desk
Talking to customers without a per-seat subscription. Pick one of the first three rather than all of them.
- Product data stack
Knowing what users do, and being able to ask questions the dashboard did not anticipate.
Recently added
- morluto/reaDeveloper Tools436.2k · added Nov 2026
- NousResearch/hermes-agentAI & ML261k · added Nov 2026
- n8n-io/n8nProductivity & Automation209.7k · added Nov 2026
- firecrawl/firecrawlAI & ML199.1k · added Nov 2026
- ollama/ollamaAI & ML186k · added Nov 2026
- huggingface/transformersAI & ML168.6k · added Nov 2026