Best open source api development tools
Open source api development tools compared. Self-hostable, transparent, and community-driven options.
Project Management
Team Communication
Design
Note Taking
CRM
Email Marketing
Website Builder
Version Control
Analytics
Cloud Hosting
Video Conferencing
Customer Support
Automation
File Storage
Password Manager
AI Tools
Database
Documentation
Scheduling
Screen Recording
Monitoring
Form Builder
Developer Tools
API Development
SEO
Social Media Management
Payment Processing
AI Writing
E-commerce
HR & Recruiting
Security
AI Image Generation
VPN
Transcription & AI Audio
Diagramming
Time Tracking
Surveys & Research
Video Hosting
1
Open-source API client for REST, GraphQL, and gRPC with environment variables and plugin support.
2
Open-source API development ecosystem with real-time WebSocket testing and team collaboration.
3
Open-source API client that stores collections as files on your filesystem — Git-friendly and offline-first.
More api development lists
Comparisons
vs
Postman vs Insomnia
Insomnia gives you open source and self-hosting; Postman is a managed service. Which trade-off works for you?
vs
Postman vs Hoppscotch
Hoppscotch gives you open source and self-hosting; Postman is a managed service. Which trade-off works for you?
vs
Postman vs Bruno
Bruno gives you open source and self-hosting; Postman is a managed service. Which trade-off works for you?
vs
Postman vs Swagger
Swagger gives you open source and self-hosting; Postman is a managed service. Which trade-off works for you?
vs
Insomnia vs Hoppscotch
Insomnia is built for developers wanting a lightweight rest and graphql client. Hoppscotch is built for developers wanting a fast, open-source api client. Pick the one that fits.
vs
Insomnia vs Bruno
Insomnia is built for developers wanting a lightweight rest and graphql client. Bruno is built for developers wanting a git-friendly api client. Pick the one that fits.
Stay sharp
New api development tools, price changes, and honest takes — weekly.