Plaintext bundles the following typefaces, each released under the SIL Open Font License, Version 1.1:
- Atkinson Hyperlegible — Copyright 2020 Braille Institute of America, Inc.
- Literata — Copyright 2017 The Literata Project Authors.
- Newsreader — Copyright 2020 The Newsreader Project Authors.
- Work Sans — Copyright 2019 The Work Sans Project Authors.
The complete licence texts are in ThirdPartyLicenses.