William Casarin

About me

I write code. ex-CTO of Monstercat. I quit my job to work on projects that interest me. Started a company called Coretto, focused on using tech such as Haskell, Nix, Elm, Bitcoin to build software that works.

Projects

• Bitcoin
  • lnvis - lightning network visualizer
  • bcalc - bitcoin cli calculator
  • btcs - bitcoin script evaluator
  • libpsbt - partially signed bitcoin transaction C library
  • bitcoin-fees - get useful fees directly from your full node
  • node-bitcoin: first nodejs bitcoin RPC library
  • c-lightning - contributor
  • Bitcoin Core - contributor
• Haskell
  • Monstercat Payments: processed tens of millions of dollars of artist payments with Haskell
  • pipes-csv - streaming csv parser
  • ledger-simple - simple ledger-cli renderers
• Nix
  • dotnet2nix - convert dotnetcore apps to nix expressions
  • nix-files - my nixos configs
• Linux/C
  • cmdtree - X11 trie command launcher
  • viscal - experimental vim-like timeblocking calendar
  • samp - sample stdin given some probability
  • csv-delim - deliminate a csv file
  • ratio - simple cli ratio calculator
  • dotfiles - my dotfiles
  • libvive - vive controller usb experiments
  • vpl - visual programming language IDE experiment
  • emojicompose - generate .XCompose from emoji
  • querystring.c - small clib for parsing querystrings in C
• Spacemacs
  • Developed the notmuch layer
  • Developed the csv layer
• Javascript
  • s3-blob-store - Amazon S3 blob store
  • dot-lens - fast, compiled dot-lenses
  • konami.js - worlds smallest js konami code implementation
  • imap-notify - run a script when mail arrives
  • A lot more crap
• C#
  • Data.Maybe.cs - idiomatic option types for C#