Developer Tools

IN

Insomnia

4.4/5.01 verified review

Freemium·Open Source·Apache-2.0

Collaborative API development and testing platform for HTTP, REST, GraphQL, and gRPC architectures.

• Native support for multiple protocols including REST, GraphQL, gRPC, and WebSockets
• Scratch Pad mode available without requiring user registration or login
• Tight Git version control integration for collection synchronization

40.1kstars on GitHub

RE

ReadMe

4.4/5.01 verified review

Paid·Open Source·MIT

Interactive technical documentation platform for APIs and developer tools.

• Automatic generation of API references from OpenAPI specs.
• Documentation components optimized for AI agent readability.
• Built-in version control and branch management features.

147stars on GitHub

LI

litek8s

4.4/5.01 verified review

Free·Open Source·Apache-2.0

A full Kubernetes cluster in one Rust binary, optimized for local dev and edge.

• Extremely low memory footprint.
• Instant setup with full compatibility for kubectl and Helm.
• Single-process architecture simplifies deployment.

5stars on GitHub

ST

StableBar

4.4/5.01 verified review

Free·Open Source·MIT

Native and highly configurable menu bar for macOS with widget and theme support.

• Free and open source software under the MIT license
• Configuration via visual interface or JSON files
• Native support for Apple Silicon on macOS 14 or later

48stars on GitHub

TE

Terse

4.4/5.01 verified review

Paid·Open Source·MIT

Durable agent infrastructure with serverless actors, TypeScript APIs, and Rust runtimes.

• Open-source alternative to Cloudflare Durable Objects without vendor lock-in.
• Every actor features its own embedded persistent SQLite database.
• Strongly typed TypeScript APIs combined with a high-performance Rust runtime.

342stars on GitHub

OD

OpenAI Developers

4.4/5.01 verified review

Contact Sales·Open Source·MIT

Official documentation portal and resource hub for OpenAI API integration.

• Detailed and regularly updated technical documentation on models and deprecations.
• Standardized endpoints for integrating language models and multimodal AI.
• Formal email notifications and documentation logs for version sunsets and changes.

77.0kstars on GitHub

SE

Sendoff

4.4/5.01 verified review

Free·Open Source·MIT

Send newsletters and announcements to your list from Claude or Codex using AWS SES.

• Fully self-hosted architecture on Cloudflare and AWS.
• Direct integration with AI agents like Claude or Codex.
• Uses React Email for layout design.

10stars on GitHub

RC

Redu Cloud

4.4/5.01 verified review

Paid·Open Source·MIT

Agent-native cloud infrastructure designed for autonomous coding agents.

• Automated infrastructure provisioning via MCP integration.
• Flexible hourly billing model based on consumed resources.
• Guaranteed data hosting within the European Union.

SI

Sitesolide

4.4/5.01 verified review

Free·Open Source·MIT

Deploy small apps and static sites to your own Debian server with simple CLI commands.

• Direct deployment to self-hosted infrastructure using a single command.
• Built-in access control restricting application visibility by user email or domain.
• Open source under the MIT license with no proprietary software fees.

9stars on GitHub

RA

RageLayer

4.4/5.01 verified review

Free·Open Source·MIT

Open-source web library to turn any web page into a destructible interactive canvas.

• Completely free and open-source with no usage restrictions.
• Framework-neutral, compatible with any ESM-based web stack.
• Zero external runtime dependencies for optimized performance.

13stars on GitHub

YA

Yardlet

4.4/5.01 verified review

Free·Open Source·MIT

Open-source desktop app to run multiple coding agent CLIs side by side

• Free and open-source software under the MIT license
• Side-by-side execution of multiple CLI coding agents in one window
• Isolated session history and credentials per agent

28stars on GitHub

CS

Churnkey SDK

4.4/5.01 verified review

Freemium·Open Source·MIT

Open-source React component for customer cancellation flows, surveys, and retention.

• Production-ready component integrated via an npm package.
• Fully free open-source tier requiring no prior platform registration.
• Supports configurable flows featuring surveys, feedback, and discount offers.

24stars on GitHub