head to head
iTerm2 vs Alacritty
Alacritty is the open source alternative to iTerm2 — terminal emulator for macos. Here is the honest comparison.
Yes — Alacritty is a viable free replacement for iTerm2. Alacritty is open source under Apache-2.0, written in Rust, with 65,763 GitHub stars, 3,618 forks and 340 open issues; it was last pushed 19 days ago. iTerm2 is priced Free, closed source, while self-hosting Alacritty carries no licence fee — the trade is your operational time instead of a subscription. 2 other open source iTerm2 alternatives are tracked here, led by Kitty at 34,983 stars. Alacritty ranks #1 of 3 tracked open source iTerm2 alternatives by stars. The tracked set, by adoption: Kitty (34,983 stars), WezTerm (28,957 stars). Replacement criteria on this page: 4 reasons to move to Alacritty and 3 reasons to stay on iTerm2.
choose Alacritty if
- Your iTerm2 bill is growing with seats or usage
- You need your data in a format and server you control
- Your compliance posture requires auditing the code that touches sensitive data
- You have (or can rent) a server and basic Docker comfort
stick with iTerm2 if
- You need the polished onboarding and support SLAs of a commercial vendor
- Your team has zero capacity to operate software, even self-hosted-simple
- You depend on a iTerm2 integration ecosystem that the OSS alternatives have not replicated
Side by side
| Alacritty (open source) | iTerm2 | |
|---|---|---|
| Price | Free (self-hosted) | Free, closed source |
| License | Apache-2.0 | Proprietary |
| Source code | Public, auditable | Closed |
| Self-hosting | Yes — alacritty/alacritty | Cloud only |
| Data ownership | Your server, your format | Vendor's cloud |
| Community | ★ 66K · ⑂ 3.6K | — |
| Built with | Rust | — |
Why people look for a iTerm2 alternative
About Alacritty
Alacritty is a cross platform, GPU accelerated terminal emulator written in Rust and released under the Apache License 2.0, aimed at developers and system administrators on BSD, Linux, macOS, and Windows who want fast terminal rendering and are willing to let a window manager or terminal multiplexer handle tabs and splits.
read the full Alacritty overview →
Other open source alternatives to iTerm2
last updated nightly · ranking method: github stars, live-tracked
Frequently asked questions
Is Alacritty a good replacement for iTerm2?
Alacritty is an open source alternative to iTerm2 (Terminal emulator for macOS). It is written in Rust and licensed under Apache-2.0, with 65,763 GitHub stars.
Is Alacritty free compared to iTerm2?
Yes. Alacritty is open source — there is no licence fee, and you can self-host it. iTerm2 is typically a paid subscription, so the trade-off is licence cost against the operational work of running it yourself.
How do I migrate from iTerm2 to Alacritty?
Migration effort depends on the data formats involved. Check Alacritty's documentation for import options, and compare the feature table above to confirm the capabilities you depend on are covered before switching.