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✚

HTTP Status Codes

Developer Resources

A plain-language reference for every HTTP status code, from 200 to 599, with quick explanations.

freeweb
BackendDocumentationFree
✚

Regex101

Developer Resources

An interactive regex tester with real-time highlighting, explanation, and a library of community patterns.

freeweb
BackendCheatsheetFree
✚

OverAPI

Developer Resources

An enormous index of programming cheatsheets gathered from across the web into one searchable page.

freeweb
CheatsheetFreeBackend
✚

OWASP

Developer Resources

The open-source foundation's guides and checklists for building and securing software against common attacks.

freeweb
DocumentationBackendFree
Yespst

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Video
✚

DevDocs

Developer Resources

A fast, offline-friendly documentation browser that aggregates API docs for hundreds of languages and tools.

freeweb
DocumentationFreeBackend
⬡

Swagger UI

APIs

The open-source tool that turns OpenAPI specs into interactive, self-documenting API pages.

open-sourceweb
APIBackendDocumentation
⬡

RapidAPI

APIs

An API marketplace where you discover, connect to, and manage thousands of third-party APIs in one place.

freemiumweb
APIPremium
⬡

Public APIs

APIs

A community-curated GitHub repository listing thousands of free public APIs, organized by category.

open-sourceweb
APIOpen SourceFree
⬡

Hoppscotch

APIs

A lightweight, open-source API testing tool that runs entirely in the browser with a clean workspace.

open-sourceweb
APIBackendOpen Source
⬡

GitHub REST API

APIs

The official API for automating GitHub — repos, issues, PRs, releases, and actions — from your own scripts.

freeweb
APIBackendFree
⬡

Mapbox

APIs

Custom mapping and location APIs with beautiful vector tiles, geocoding, routing, and navigation.

freemiumweb
APIDesignPremium
⬡

Twilio API

APIs

Cloud communications APIs for SMS, voice, video, and email that developers can wire into any app.

freemiumweb
APICommunicationPremium
⬡

OpenAI API

APIs

The API for OpenAI's models, including GPT, embeddings, and image generation, with function calling support.

paidweb
APIMachine LearningPremium
⬡

Stripe API

APIs

A developer-friendly payments API with clean documentation, libraries for every language, and instant webhooks.

freemiumweb
APIBackendPremium
▽

Academind

YouTube Channels

A YouTube channel by Maximilian Schwarzmüller covering React, Node, TypeScript, and full-stack topics with thorough, pro…

freeweb
TutorialReactBackend+1
▽

Traversy Media

YouTube Channels

A YouTube channel by Brad Traversy with practical full-stack tutorials covering everything from HTML to Node.js and mode…

freeweb
TutorialReactBackend+1
◎

Hacker News

Useful Websites

The tech community run by Y Combinator where engineers, founders, and investors discuss news, projects, and ideas with a…

freeweb
BackendFreeProductivity
◎

Stack Overflow

Useful Websites

The largest Q&A community for programmers. Ask a question, get an answer with votes, and find that one fix for the exact…

freeweb
BackendFreeTypeScript
⌘

Hono

GitHub Repositories

A small, standards-based web framework that runs anywhere — Cloudflare Workers, Node.js, Bun, Deno, even in the browser …

open-sourceweb
TypeScriptBackendOpen Source
⌘

tRPC

GitHub Repositories

A framework that lets you call functions on your server directly from your client, with full type safety end to end — no…

open-sourceweb
TypeScriptReactOpen Source+1
⌘

Zod

GitHub Repositories

A schema validation library for TypeScript that turns runtime data into exactly the shape you expect, then gives you per…

open-sourceweb
TypeScriptOpen SourceBackend
⌘

Supabase

GitHub Repositories

Open-source Firebase alternative providing PostgreSQL database, authentication, realtime subscriptions, and storage with…

freemiumweb
DatabaseOpen SourceReact+1
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