Andrew Gallant

Ripgrep. I made a search tool that finds text across your entire project.

Jiff. I wrote a calendar tool that makes date math actually work correctly.

Toml. I built a TOML reader for Go that handles configuration files.

xsv. I built a fast command-line tool for working with CSV spreadsheet files.

Memchr. I built heavily optimized string search routines for Rust applications.

QuickCheck. I wrote a tool that finds bugs by testing code with random inputs.

BTTF. I built a command line tool that does date and time math for you.

Wingo. I wrote a window manager for Linux in pure Go.

bstr. I made a text handler that works with imperfect UTF-8 data.

Aho-Corasick. I built a fast multi-pattern text search that finds many phrases at once.

CSV. I built a fast tool for reading and writing spreadsheet data files.

Rebar. I built a speed test for text search engines.

Dotfiles. I shared my personal computer setup files and scripts.

CBOR. I wrote a CBOR encoder and decoder for Rust with automatic type handling.

Snap. I wrote a compression tool that makes files smaller using Snappy.

Walkdir. I wrote a fast folder explorer that handles large directory trees efficiently.

FST. I made a compact storage system for huge sets of data using finite state machines.

Tabwriter. I built a tool that aligns columns of text automatically.

Sumtype. I wrote a tool that finds incomplete type handling in Go code.

Burnt Sushi's Blog. I built my blog using Hugo to publish my writing.

Erd. I made a tool that converts database descriptions into visual diagrams.

Byteorder. I wrote a tool that converts numbers between byte orders automatically.

Same File. I built a tool that tells you whether two file paths are actually the same file.

PCRE2. I built a pattern-matching tool on top of PCRE2.

Termcolor. I wrote a tool that prints colored text in terminal programs across all systems.

Mempool. I built a memory recycling tool for Rust programs that runs fast.

Winapi Util. I built safe shortcuts for Windows system features in Rust.

Notes. I wrote a collection of rough notes on various topics.

Duration Lookup. I benchmarked techniques for recognizing duration words at speed.

Critcmp. I made a tool that compares benchmark results from Rust speed tests.

IMDb Rename. I built a tool that renames your video files using IMDb's official database.

Benchcmp. I made a tool that compares code speed measurements side by side.

Unicode Codegen. I made a tool that converts Unicode character data into compact source code.

Rure. I connected Go to Rust's regex engine for faster pattern matching.

Suffix. I made a fast text search tool that handles any language.

Regex Automata. I built a fast pattern-matching engine using state machines.

Encoding RS IO. I made a streaming converter for different text character formats.

Pattern Matcher. I translated a classic C pattern-matching program to Rust three different ways.

Globset. I wrote a tool that matches file paths against multiple patterns simultaneously.

Cmail. I built a tool that emails you progress from long-running commands.

Intern. I wrote a tool that eliminates duplicate strings to save memory.

Ripgrep Guard. I made a package that redirects people to the correct search tool.

Error Handling Case Study. I wrote a case study showing how to handle errors properly in Rust.

Wayland Simple SHM. I wrote a simple example for drawing images on Wayland displays.

Advent Solutions. I wrote clean solutions to 25 programming puzzles without crashes.

Csql. I wrote shortcuts for database code in Go.

Memchr Performance Fix. I documented a performance regression in a popular search tool.

Cluster. I built a tool that keeps networked computers automatically in sync.

Sqlauth. I wrote a password storage and verification tool for databases.

NFLfan. I built a website to manage fantasy teams and watch NFL plays.