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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.
- HaulestHaulest helps people plan a move with practical calculators, checklists, dated mover reviews, and clear quote-request guidance. Haulest is not a carrier, mover, broker, or lead farm.2
Court RulesFree federal court rules, local rules, judge standing orders and filing deadlines, with a deadline calculator for every district.1- ReefAPIReefAPI is one gateway to 250+ live web-data APIs: e-commerce, social, real estate, jobs, travel, news, finance and company data. Clean JSON, free tier.2
- 4
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 - 5
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
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
JSON to YAML Converter
Convert JSON objects to clean, readable YAML format
ai.txt Generator
Generate ai.txt files for AI bot permissions
Code to Image
Convert code snippets to beautiful images via canvas
Base64 Encoder and Decoder with UTF-8 Support
Encode plain text to Base64 or decode Base64 back to text
Unix Timestamp Converter with Milliseconds
Convert Unix timestamps to human-readable dates and vice versa
Color Converter for HEX, RGB and HSL with Live Swatch
Convert colors between HEX, RGB and HSL with a live swatch
Latest from the Blog
Insights, guides and stories for builders.
pnpm 12 Is Now What You Install By Default
pnpm's latest dist-tag now resolves to 12.8.1, so the Rust rewrite is the default install. Eight behaviour changes, two of which your CI will hit first.
AI Overviews: The Four Controls Google Documents
Google documents exactly four page-level controls over what AI Overviews and AI Mode can use. Google-Extended is not one of them. What each one costs.
RubyGems 4.1: The Resolver Swap Is the Story
RubyGems 4.1.0.beta1 replaces Molinillo with PubGrub by default. Post-quantum gem signing is the headline; the resolver is the change that reaches you.
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