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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.
Jolene.proJolene.pro analyzes Excel and CSV files across multiple sheets and separate tables. It creates charts, explains calculations, and shows the cells, rows, and sheets used for each result.75
CosVoiceCosVoice gives your AI Chief of Staff a real US phone number and email. It calls, answers, and sends written summaries.6
JevJev by TypeSafe AI is a model API that takes state plus typed questions and returns Choice, Score and true/false answers with calibrated probabilities instead of generated text.77- 4
NewistyNewisty is a free toolbox of 526 online tools: exam photo resizers, image/PDF converters, dev + SEO utilities, and private in-browser AI. No signup.81 - 5Ricebowl AIRicebowl AI is an independent commercial AI creation platform for image and video workflows. Generate watermark-free, commercial-ready exports with flagship models including Sora 2, Veo, Kling, Flux and more for marketing teams, ads, and product creatives.74
Open Source Projects
Discover trending GitHub repositories.
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.
Skills For Real Engineers
A practical playbook for AI‑augmented development, outlining skills to improve alignment, reduce verbosity, ensure code quality, and maintain design discipline.
FastAPI: A Modern, High-Performance Python Web Framework
FastAPI is a modern, high-performance web framework for building APIs with Python based on standard Python type hints. Built on top of Starlette and Pydantic, it delivers production-ready performance with an emphasis on developer happiness and automatic interactive documentation (Swagger UI and ReDoc).
NextChat
NextChat is a lightweight, blazing-fast AI assistant that brings together multiple powerful models and tools. It emphasizes speed, privacy, and flexibility, offering integration with Claude, DeepSeek, GPT-4, Gemini Pro, and more.
Free Developer Tools
Rotates daily67+ browser-based tools that work instantly with no signup
Unix Timestamp Converter with Milliseconds
Convert Unix timestamps to human-readable dates and vice versa
OG Image Generator
Generate Open Graph images using Satori in Next.js
Internal Linking Suggester
Suggest internal linking opportunities from your content
AI Readability Score
Calculate rule-based readability scores for your content
Markdown to HTML Converter with Preview and Source View
Convert Markdown text to HTML with live preview
MongoDB Query Formatter
Format and beautify MongoDB queries
Latest from the Blog
Insights, guides and stories for builders.
The GitHub Actions API Now Stops Counting At 2,500
Two GitHub Actions API changes shipped a day apart: workflow-run counts now cap at 2,500+, and expired artifacts no longer appear in the REST API.
Forum Schema Only Counts If Your Users Wrote It
DiscussionForumPosting, ProfilePage and QAPage all gate on authorship, not formatting. What qualifies on a product site, and what quietly does not.
npm Retired The Audit Endpoints Your Tooling Still Calls
npm's legacy audit endpoints now return 410. What the bulk advisories endpoint changes for pnpm, Yarn and your CI, and the config you must rewrite.
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