OpenProject
Projects, timelines, and work packages for a team that plans in earnest.
Not affiliated with EOS Worldwide
Free software that replaces EOS One
OpenProject is the highest-scored licence-free option listed for the job of EOS One (51 of 100). 3 apps are listed. This site is not affiliated with EOS Worldwide.
Last updated 15 Oct 2026.
No per-seat licence. EOS One is a product of EOS Worldwide. Open SaaS Alternatives is not endorsed by them.
EOS One
List price not stored. We have not stored a list price. Vendor pages and roundups disagreed, or the page was not re-checked for this build. Type the figure on your invoice into the calculator.
Leantime
Goals, projects, and strategy reviews. The closest open listing to a scorecard.
SeatLess One
A scorecard and meeting rhythm built for your leadership team.
Coverage of the main jobs
✓ does it, ◐ partly, ✗ no, — not assessed. Editorial only.
| Job | OpenProject | Leantime | SeatLess One |
|---|---|---|---|
| Scorecard | ✗ | ◐ | — |
| Rocks | ◐ | ✓ | — |
| Meeting agendas | ◐ | ◐ | — |
| Accountability chart | ✗ | ◐ | — |
Questions
What replaces EOS One without a per-seat licence?
OpenProject leads this list on measured signals (51). OpenProject is a project suite: work packages, Gantt-style timelines, and meetings. It is GPL-3.0. It also has goals, which is why it appears under scorecards as well as project management. It is a system, not a sticky-note board.
How much does EOS One cost for 10 people over three years?
We have not stored a list price. Vendor pages and roundups disagreed, or the page was not re-checked for this build. Type the figure on your invoice into the calculator. The calculator on this page uses the number on your invoice, not a guessed list price.
Is Open SaaS Alternatives affiliated with EOS One?
No. EOS One is a product of EOS Worldwide. We are not affiliated with, endorsed by, or sponsored by EOS Worldwide. “Replaces EOS One” describes the job, not a partnership.
Scores follow the published formula.