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SaaS products & open-source projects
Explore handpicked SaaS products, open-source projects, and 65+ free developer tools,
plus cheat sheets, snippets, and free resources — curated for builders.
Trending Leaderboard
Top products and open-source projects gaining attention this week.
PlanetCertPlanetCert helps future CDL holders master the cdl practice test with timed exams, full explanations and progress tracking.11
JSONViewerToolView, format, validate, repair, compare and convert JSON in focused browser tools without installing software or creating an account.13
NaizaNaiza, built by Limaz in Riyadh, is an API-first fraud detection and AML screening platform. It returns explainable ALLOW, REVIEW or BLOCK decisions in real time.22- 4
ProofRankCheck any website's speed, SEO, accessibility, security and AI crawler access, get a prioritized list of fixes, and see sites ranked by measured score.14 - 5
UI DiscoveryA curated library of real production interfaces for designers and engineers, with original AI build prompts for Cursor, Claude, and similar tools.15
Open Source Projects
Discover trending GitHub repositories.
ESC JSON Form Angular
Angular Standalone Component for JSON Form Editing
esc-editor
Esc-editor is a feature-rich, TypeScript-friendly WYSIWYG editor for React that provides robust table support, image resizing, and dark mode via CSS custom properties.
awesome-iot — 🤖 A curated list of awesome Internet of Things projects and resources
🤖 A curated list of awesome Internet of Things projects and resources.
Build Your Own X
Build Your Own X is an open-source learning platform that guides users through recreating complex technologies from scratch, fostering deep understanding and practical skills.
awesome-selfhosted — A list of Free Software network services and web applications which can be hosted on your…
A list of Free Software network services and web applications which can be hosted on your own servers
Python - 100天从新手到大师
详细解读与学习路径：本书作者骆昊以其清晰、系统的讲解风格，为初学者和进阶者提供了一条完整的Python学习路线。涵盖语言基础、实际应用、数据分析、机器学习及团队项目开发等全方位技能树。
Free Developer Tools
Rotates daily67+ browser-based tools that work instantly with no signup
HTTP Headers Viewer
View HTTP response headers for any URL
JSON to Zod Schema Generator
Generate Zod validation schemas from any JSON object
HTML Minifier for Comments and Inter-Tag Whitespace
Minify HTML by removing whitespace and comments
Code to Image
Convert code snippets to beautiful images via canvas
Text Diff Checker with Line Numbers on Both Sides
Compare two texts and highlight differences
Unix Timestamp Converter with Milliseconds
Convert Unix timestamps to human-readable dates and vice versa
Latest from the Blog
Insights, guides and stories for builders.
Version Comparison Has No Standard
SemVer defines no range syntax. Debian, PEP 440, npm, Maven, RPM and Go each order versions differently, and the cross-ecosystem spec is still unpublished.
A local model in Copilot CLI is not local privacy
Copilot CLI 1.0.94-0 discovers local Ollama models, but GitHub says that does not enable offline mode or disable telemetry. Those are separate settings.
node:sqlite renamed DatabaseSync to Database
Node 26.11.0 renamed DatabaseSync to Database. The old names survive as documentation-only aliases, so no code breaks and no runtime warning fires.
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