Tabs is free to use. Third-party parts and their licences:

- CMU Pronouncing Dictionary — Carnegie Mellon University — BSD licence (CMU-Pronouncing-Dictionary-BSD.txt)
- FrequencyWords — Hermit Dave — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/).
  The rhyme word lists inside Tabs are adapted from it and are shared under the same licence.
- Courier Prime — SIL Open Font License 1.1 (CourierPrime-OFL.txt), subset and built into the app.
- Baloo 2 — SIL Open Font License 1.1 (Baloo2-OFL.txt), subset and built into the app.
- Lucide icons — ISC licence, Copyright (c) Lucide Contributors.
- Tailwind CSS — MIT licence, Copyright (c) Tailwind Labs, Inc. (generated styles built into the app)
- "The Yellow Wallpaper" by Charlotte Perkins Gilman (1892) — public domain.