Open-source spreadsheet, docs and slides engine for AI agents
Ranks #1 on SpreadsheetBench at 68.86%
Multiple agents can work on one file in isolated worktrees
Works with Claude Code and other agents
Univer — straight answers
What is Univer?
Univer is listed under AI for Spreadsheets & Excel, in the Data Analysis & Business category on Flocci AI Tools. Open-source spreadsheet, docs and slides engine for AI agents. It is free, with no paid plan attached, and it lives at univer.ai.
Is Univer free?
Univer is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.
What can Univer do?
Univer does 4 things the catalog singles out: Open-source spreadsheet, docs and slides engine for ai agents; ranks #1 on spreadsheetbench at 68.86%; multiple agents can work on one file in isolated worktrees; works with claude code and other agents.
What is the best free alternative to Univer?
Ajelix is the closest free alternative: it sits in the same AI for Spreadsheets & Excel sub-category and is free tier + paid plans. The full list is on the alternatives page.