Web spreadsheet — no sign-up, no install.
Latest release 0.20261101.3 — EtherCalc 0.20261101.3 · 1 Nov 2026
1 file for Codex and OpenCode: ethercalc AGENTS.md — 2,265 tokens loaded in every session.
AGENTS.md A 2,265 tok These files are audreyt/ethercalc's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.