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18 resources

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★

Joplin

Productivity Tools

An open-source note-taking app with Markdown support, end-to-end encrypted sync, and a focus on privacy.

open-sourcecross-platform
Note TakingOpen SourceFree
★

Logseq

Productivity Tools

An open-source knowledge base built on local Markdown files with outliner editing and a powerful graph view.

open-sourcedesktop
Note TakingOpen SourceProductivity
★

Bear

Productivity Tools

A beautiful, focused note-taking app for Apple devices with Markdown support and a calm writing experience.

paiddesktop
Note TakingPremiumDesign
★

Evernote

Productivity Tools

A veteran note-taking app for capturing ideas, clipping the web, and searching across everything you've saved.

freemiumcross-platform
Note TakingPremiumProductivity
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✚

Frontend Checklist

Developer Resources

An exhaustive checklist of everything a frontend developer should verify before shipping a website.

open-sourceweb
CSSCheatsheetFree
✚

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
✚

DevHints

Developer Resources

A curated collection of beautiful, printable cheatsheets covering programming languages, tools, and frameworks.

freeweb
CheatsheetDocumentationFree
⬡

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
⬡

Insomnia

APIs

A desktop API client for designing, testing, and debugging REST and GraphQL APIs with a clean UI.

freemiumcross-platform
APIBackendPremium
⬡

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
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