Tidelift
AcquiredManaged open source you can trust.
Boston, United States · Founded 2017 · $77.5M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 11–50
- Founded
- 2017
- Business Model
- B2B
- Website
- tidelift.com
- Total Funding
- $77.5M
- Last Round
- $1.2M GrantSep 2024
- Rounds
- 7
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Tidelift was founded in 2017 with a mission to make open source work better for everyone. The company built a subscription platform that connects enterprise development teams with the maintainers of the open-source packages they depend on, funding maintainers to apply security patches, ensure license compliance, and provide maintenance assurances. Tidelift's managed open source subscription gave organizations a software bill of materials (SBOM) with security, licensing, and maintenance guarantees across their entire open-source dependency graph — all backed by direct agreements with upstream maintainers. Tidelift was acquired by Sonar (SonarSource) and now operates as part of Sonar's software composition analysis (SCA) capabilities within the SonarQube platform.
Summary
Tidelift is a Cybersecurity company based in Boston, United States, founded in 2017. It has raised $77.5M in total across 7 rounds, most recently a $1.2M Grant round in Sep 2024. Investors include General Catalyst, Foundry Group and Dorilton Capital.
Tech & App Stack
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Funding History
Sep 2024
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Funding: Series A through Grant. Amounts, valuations, and investors where available.
Investors
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