Project Summary
BRLTTY is a background process (daemon) which provides access to the Linux/Unix console (when in text mode) for a blind person using a refreshable braille display. It drives the braille display, and provides complete screen review functionality. Some speech capability has also been incorporated.
In a Nutshell, BRLTTY...
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has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
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took an estimated 55 years of effort (COCOMO model)
starting with its first commit in July, 1996
ending with its most recent commit 8 days ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
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Distribute
Place Warranty
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Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
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These details are provided for information only. No information here is legal advice and should not be used as such.
MIT
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummaryJun 24 2026 — Jul 24 2026
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12 Month SummaryJul 24 2025 — Jul 24 2026
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