OSSEAN

Spec sheet

Audience

OSSEAN describes its audience as engineers and founders looking for open-source alternatives to tools they already pay for.Read 9 Oct 2026 · ossean.com

Billing and cancellation

Sponsorship is invoiced monthly in advance and can be cancelled before the next month with no notice period.Read 9 Oct 2026 · ossean.com

Classification

OSSEAN says its Jev classifier reads a repository’s name, description, and homepage to assign product categories.Read 9 Oct 2026 · ossean.com

Data source

The site says its data is updated daily from GitHub.Read 9 Oct 2026 · ossean.com

Directory scale

The homepage reported 728 open-source startups on October 9, 2026.Read 9 Oct 2026 · ossean.com

Integration

OSSEAN says it uses the GitHub API to check repository activity.Read 9 Oct 2026 · ossean.com

Listing independence

OSSEAN says payment cannot change a project’s ship status, ship score, leaderboard position, or presence on the silent list.Read 9 Oct 2026 · ossean.com

Project discovery

The directory lets visitors search by name, organization, language, or topic and browse by category.Read 9 Oct 2026 · ossean.com

Service refund

OSSEAN says it refunds a paid month pro rata if the site is down for more than a few days during that month.Read 9 Oct 2026 · ossean.com

Ship status

OSSEAN groups projects as still shipping, slowed, or gone silent based on how long it has been since a push or whether a repository is archived.Read 9 Oct 2026 · ossean.com

Sponsorship

Sponsors can buy one of twelve homepage tiles, and the displayed monthly prices range from $100 to $500.Read 9 Oct 2026 · ossean.com

Sponsorship disclosure

Sponsored tiles carry a visible Sponsor tag, and their links use rel="sponsored noopener noreferrer".Read 9 Oct 2026 · ossean.com

What it is

OSSEAN is a directory of open-source startups that tracks whether each project is still shipping.Read 9 Oct 2026 · ossean.com

Plans and prices

Every OSSEAN plan and price →

Where Specifiction places it

• Startup Databases#20 of 267.2