Published September 21, 2026 ยท Added September 23, 2026

Yaak Funds Its MIT-Licensed API Client With Commercial-Use Binaries

Yaak creator Gregory Schier explains how the local-only API client keeps every feature open source under the MIT license while passing $5,000 in monthly recurring revenue by charging for commercial use of the official prebuilt binaries. Personal use stays free and users can build the app themselves, and Schier says the approach lets him work full time without putting features behind a paywall, running a paid cloud service, or adopting open core.

Yaak creator Gregory Schier explains how the local-only API client keeps every feature open source under the MIT license while passing $5,000 in monthly recurring revenue by charging for commercial use of the official prebuilt binaries. Personal use stays free and users can build the app themselves, and Schier says the approach lets him work full time without putting features behind a paywall, running a paid cloud service, or adopting open core.

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Source: Yaak