# OpenProject vs Trello (slim)

> Trello scores 61.1 (C) on agent readiness against OpenProject's 57.4 (C), and leads in 2 of 7 scored categories. OpenProject leads on schema & documentation, agent ergonomics, maintenance & community and transparency & trust. Both do tasks create. Category scores, facts…

- Full: https://www.anchorterminal.com/compare/openproject-vs-trello.md (~2,550 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/openproject-vs-trello.json · canonical https://www.anchorterminal.com/compare/openproject-vs-trello
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Trello scores 61.1 (C) on agent readiness against OpenProject's 57.4 (C), and leads in 2 of 7 scored categories. OpenProject leads on schema & documentation, agent ergonomics, maintenance & community and transparency & trust. Both do tasks create.

- OpenProject: C 57.4, rank #550 of 842 · https://www.anchorterminal.com/tools/openproject.min.md
- Trello: C 61.1, rank #435 of 842 · https://www.anchorterminal.com/tools/trello.min.md
- OpenProject, good for Teams that want a self-hostable or EU-hosted project tool with Gantt, time tracking and budgets, and an agent working through a documented REST API. Ahead on Schema & documentation, 76 against 63; Agent ergonomics, 70 against 52; Maintenance & community, 75 against 48; Transparency & trust, 87 against 80. Also Open source.
- Trello, good for Teams already on Trello that want an agent to create and move cards, set owners and due dates, comment and react to changes through webhooks. Ahead on Reliability, 83 against 52. Also A hosted endpoint, with nothing to install; No incidents deducted, where OpenProject loses 5 points for them.

| Category | OpenProject | Trello |
| --- | --- | --- |
| Reliability (16%) | 52 | 83 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 76 | 63 |
| Agent ergonomics (13%) | 70 | 52 |
| Security & auth (14%) | 59 | 62 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 48 |
| Transparency & trust (7%) | 87 | 80 |

| Fact (where they differ) | OpenProject | Trello |
| --- | --- | --- |
| Vendor | OpenProject GmbH | Atlassian (Trello, Inc.) |
| Hosted endpoint | no (local only) | `https://api.trello.com/1` |
| Licence | GPL-3.0 for the OpenProject source. Enterprise add-ons need a paid token, and OpenProject Enterprise cloud runs under OpenProject's Terms of Service | Proprietary service under the Atlassian Customer Agreement, with API use under the Atlassian Developer Terms |
| Last release | 2026-10-01 | 2026-09-15 |
| Terms last updated | 2026-08-06 | no date given |
| Privacy policy last updated | no date given | couldn't be read |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 16k stars | none |