Looking back, and filtering for things I built from scratch, probably GRIT [0], the Google Resource and Internationalization Tool. I originally wrote the tool w

Looking back, and filtering for things I built from scratch, probably GRIT [0], the Google Resource and Internationalization Tool. I originally wrote the tool when I had enough of 3-way merges of resource files for Google Desktop, and it ended up being one of a couple of key technologies that enabled Google Chrome to launch from day one in 43 languages, which I think was probably quite impactful to the adoption of that browser. [0] https://chromium.googlesource.com/chromium/src/tools/grit/+/refs/heads/main/README.md https://chromium.googlesource.com/chromium/src/tools/grit/+/...