OSS Discovery

US
United States
PRODUCTIVITY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREE
KeyCastr

KEYCASTR

KeyCastr is a premium open-source keystroke visualizer for macOS. It delivers real-time, customizable keystroke and mouse click displays for engaging tutorials, demos, and presentations. Built for creators, it offers a clean overlay, instant Homebrew install, and 100% free with community-driven innovation.

GITHUB STARS
15k
+12% this month
FORKS
560
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
99
Tracking updates
LICENSE
BSD-3-Clause
Commercial use
KeyCastr is a premium open-source keystroke visualizer for macOS. It delivers real-time, customizable keystroke and mouse click displays for engaging tutorials, demos, and presentations. Built for creators, it offers a clean overlay, instant Homebrew install, and 100% free with community-driven innovation.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

Objective-C
Objective-C

VISUAL INTERFACE

Screenshot 1
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The Quick Glance

Status
Active
Category
Productivity
Pricing
Free
Self-Hosted
Yes
Available on
Windows
macOS
Linux
Latest Release
v0.10.5
Nov 24, 2025

Relative Standing — across 1,284 tools

STARS15k
Top 26% globally
FORKS560
Top 47% in Open Source
ACTIVITYModerate
Top 65% Activity
WATCHERS99
Top 35% Community