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wezterm
A GPU-accelerated cross-platform terminal emulator and multiplexer written by @wez and implemented in Rust
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I need to represent the wezterm users and point out that it's even easier to enable these keys in wezterm. Just put enable_csi_u_key_encoding = true in the return value (settings table) in your wezterm.lua. See here.
For Alacritty there's actually a nice repo that just contains all the extended keys as a ready-made include: https://github.com/alexherbo2/alacritty-extended-keys
I've only played around a little with alacritty, so that one's harder for me to compare. It's missing some features I consider a necessity such as ligature support and sane behavior for Ctrl-C which the alacritty dev stubbornly refuses to allow as an option for stupid paterninalistic reasons, which really turns me off to the whole thing. But it wouldn't surprise me if it were faster and/or used fewer resources.
Ligatures are combinations of multiple characters which render a special way when they're next to each other. The idea is that -> renders as (a longer) →, and != as ≠, >= as ≥ and so on. That isn't quite adequate to explain the idea; see the Fira Code page for examples.