Open source Developer tools
We list 5 Developer tools tools, ranked by community votes and market presence (how often other tools are positioned as alternatives to them). Top picks right now: Appsmith, Supabase, Better Auth.
| # | Tool | Pricing | Starts at | Best for | Platforms | Votes |
|---|---|---|---|---|---|---|
| 1 | Appsmith Open-source internal tool builder | Open source | $15/mo | Developers | web | 0 |
| 2 | Supabase Open-source Firebase alternative on Postgres | Open source | $25/mo | Developers | web | 0 |
| 3 | Better Auth Framework-agnostic TypeScript authentication | Open source | $20/mo | Developers | web | 0 |
| 4 | Insomnia Open-source API client for REST, GraphQL, gRPC and MCP from Kong | Open source | $12/mo | Developers, Small businesses, Enterprise | macos, windows, linux | 0 |
| 5 | Windmill Open-source developer platform for scripts, flows and apps | Open source | $10/mo | Developers | web | 0 |
All 5 tools
4.Insomnia
▲ 0Open-source API client for REST, GraphQL, gRPC and MCP from Kong
Open source · $12DevelopersSmall businesses