Should you build your own Coda?
Doc platform that combines writing, tables, automations, and small apps
A doc with tables and buttons is buildable; Coda's editor, formula engine, packs/integrations, permissions, and team workflows make full parity difficult.
ENOriginal research content in English. Original prompt preserved in English.
Build me a docs-with-tables workspace to replace Coda, single-user.
Requirements:
- Local web app: Node + Express + better-sqlite3, server-rendered pages with
vanilla JS, no build step.
- Docs are Markdown edited in a textarea with live preview (marked); a
fenced block naming a table, like table:Expenses, renders that table live
inside the doc.
- Tables have typed columns (text/number/date/select/checkbox), inline row
editing, and are real SQLite tables I can query with other tools.
- Formula columns: a JS expression over the row's other fields (price * qty)
evaluated server-side with new Function over plain values only, recomputed
on edit. No imports, no network access in formulas.
- Buttons in docs: a doc can declare a button that runs one whitelisted
server action (add row with defaults, mark done); docs never execute
arbitrary code.
- Named views per table: filter + sort saved and embeddable in any doc.
- CSV export per table, Markdown export per doc; localhost only, no
accounts, no telemetry.
- Out of scope: collaboration, permissions, and packs/integrations. Coda's
formula language and pack ecosystem are the product; this is my personal
version.
- README: setup and where the data lives on disk.The prompt opens pre-filled in your agent. Review it before running. · this prompt is generated from the build plan · improve it via PR
What would building your own look like?
Build a rich doc editor, embedded tables, formulas, buttons, and simple automations.
What you will need
- rich text editor
- database tables
- formula engine
- auth
- integrations
- hosted backend
They pay because docs become tools that teammates can understand and maintain.
xformula language
xpacks
xpermissions
xautomations
xtemplates
xcollaboration
xdoc-app UX
Prefer something ready-made?
Fibery FreeCoda for ten people, with relational docs and 250 automations before the bill exists.Free↗
Superhuman Docs FreeCoda is now Superhuman Docs; the free plan still has collaborative docs, connected tables, forms, formulas, and automations.Free↗License, setup, and limitations for each alternative.
How much does Coda cost?
- Monthly billing
- $12/mo$12/mo · per person
- Per year
- $144/yr$144/yr
- On a Brazilian card, with 3.5% IOF
- R$62.71/moR$753/yr
Saved to My list. You will see a notice on this site when the price changes.
You complete the purchase on Coda’s site. Vibe Radar does not handle payments.
| Plan | Monthly | Annual (per month) | What is included |
|---|---|---|---|
| free | $0/workspace | $0/workspace | Personal docs have no object/page cap; shared docs cap at 50 objects and 1,000 rows; 1 GB attachments/doc, 10 MB/file, 7-day history, 35 time + 100 event automations/doc/month, 100 rows/sync table |
| pro | $15/user≈ $15 | $12/user≈ $12 | Per Doc Maker; unlimited doc size; 5 GB attachments/doc, 250 MB/file, 30-day history, 100 time + 500 event automations/doc/month, 2,000 AI credits/Doc Maker/month, 10,000 rows/sync table |
| business | $40/user≈ $40 | $33/user≈ $33 | Per Doc Maker; unlimited attachments/doc and history; 250 MB/file; unlimited automations; 6,000 AI credits/Doc Maker/month; 10,000 rows/sync table |
| enterprise | custom | - | Custom contract; 12,000 AI credits/Doc Maker/month; unlimited attachments/doc, history and automations; 250 MB/file |
Free tierPersonal docs have no object/page cap; shared docs: 50 objects and 1,000 rows; 1 GB attachments/doc, 10 MB/file, 7-day history, 35 time + 100 event automations/doc/month, 100 rows/sync table
Billing termsmonthly + annual; Pro $15 monthly or $12/Doc Maker/month annually; Business $40 monthly or $33 annually; editors/viewers are free
Additional costsWorkspace admins and Doc Makers are billable; editors are free. Depending on admin settings, an editor who creates a doc/page or uses AI can become a billable Doc Maker after a 7- or 14-day grace/trial. Paid Packs are extra per Doc Maker per month with no annual option (for example, the Figma Pack is $10/Doc Maker/month). Annual-plan seat additions are prorated and billed monthly.
verified 2026-08-13 · source ↗
Is it cheaper to build or buy Coda?
Adjust the numbers: hours to build, your hourly rate, running costs and the subscription price.
Over 24 months, subscribing is cheaper.
Starting hours estimated from the analysis (multi-day). Does not price what you give up (support, integrations, security).
Can I rebuild Coda?
Kinda. The core of Coda is buildable in a weekend with the prompt on this page, but there are real gaps: formula language, packs. Read the honest list above before committing.
How much does Coda cost?
Coda costs about $12/mo (Pro Doc Maker, checked 10/20/2026), which is $144 per year.
What do I lose by replacing Coda?
Honestly: formula language; packs; permissions; automations; templates; collaboration; doc-app UX. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Coda?
Yes: Fibery Free (Coda for ten people, with relational docs and 250 automations before the bill exists.) Superhuman Docs Free (Coda is now Superhuman Docs; the free plan still has collaborative docs, connected tables, forms, formulas, and automations.) The prompt is for when you want it exactly your way.