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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.76
CosVoiceCosVoice gives your AI Chief of Staff a real US phone number and email. It calls, answers, and sends written summaries.8
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.80- 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
CSS Minifier with Before and After Byte Counts
Minify CSS by removing whitespace and comments
JSON to CSV Converter with Headers from Every Key
Convert JSON arrays to CSV format
YAML to JSON Converter
Parse YAML and convert it to formatted JSON with validation
JavaScript Regex Tester with Capture Groups
Test regular expressions with real-time matching
HTML Minifier for Comments and Inter-Tag Whitespace
Minify HTML by removing whitespace and comments
Blur Placeholder Generator
Generate blurred placeholder images for next/image
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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