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Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.
One of the World's Fastest .NET CSV Parsers. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.
Polkadot's ink! to write smart contracts.
No-code in the front, Python in the back. An open-source framework for creating data apps.
📗 How to write cross-platform Node.js code
Vector map library and writer - running on Android and Desktop.
🌈 slog.Handler that writes tinted (colorized) logs
basically the best way to write an ebook
.xlsx file reader and writer for Qt5
Cross-platform C++ library providing a simple API to read and write INI-style configuration files
Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
Fiona reads and writes geographic data files
Automate with computer-use agent (ComputerUse / CUA) for macOS, Windows, Linux, Browser, iOS & Android. It sees the screen, clicks, types, browses and writes the code too. One agent, every computer.
Ruby on Rails like test fixtures for Go. Write tests against a real database
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
The open-source governance layer for AI agents: write the rules declaratively, Bernstein enforces them and produces the verifiable, replayable record. Free, Apache-2.0. https://bernstein.run
Open source AI code review for coding agents. A separate reviewer checks every change your agent writes before you push, in Claude Code, Codex, Cursor and Cline. No account or key of its own.
This library reads and writes ESRI Shapefiles in pure Python.
A simple C++ library for reading and writing audio files.
SmartSql = MyBatis in C# + .NET Core+ Cache(Memory | Redis) + R/W Splitting + PropertyChangedTrack +Dynamic Repository + InvokeSync + Diagnostics
jquick‑curl: Java library to run raw curl commands, support copy‑paste curl from Postman/Apifox/Browser DevTools, no need to write HTTP client code.
Write JSON unit tests in less code. Great for testing REST interfaces.
A small desktop robot that brings an AI coding assistant to life, physically acting out when it reads files, thinks, writes code, and finishes work.
High performance library for creating, modiyfing and parsing PDF files in C++