ExpressoTS Alternatives & Competitors

CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.

Key HTTPie features:

User-Friendly Syntax JSON Support Cross-Platform Plugin Support

Open Source

An open source Firebase alternative.

Key Supabase features:

Real-time capabilities PostgreSQL foundation Open-source Ease of use

Open Source

AI agents that spec, build, test, and ship code — with voice chat, deep GitHub integration, and zero LLM markup.

Key JackHamr features:

AI-Powered Music Creation Streamlined Workflow Accessibility for Non-Musicians Creative Inspiration Tool

Try for free freemium

Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, test runner, and Node.js-compatible package manager.

Key Bun.sh features:

Speed Built-in Tools TypeScript Support Compatibility

Open Source

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple.

Key ExpressJS features:

Fast Setup Middleware Support Extensibility Performance

Open Source

The missing server for Flutter.

Key Serverpod features:

Seamless Dart Integration Developer Productivity Type Safety Real-time Communication

Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.

Key AppWrite features:

Open Source Self-Hosted Comprehensive Backend Multi-Language Support

Open Source

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

Key Insomnia REST features:

User-Friendly Interface Support for Multiple Protocols Environment Management Custom Plugins and Themes

Open Source