![]() ![]() Kitty is built in Python and C, while Warp is built in Rust.īoth Kitty and Warp are extending the legacy terminal protocol. ![]() Like Kitty, Warp is also fast and GPU-accelerated. Blocks (grouping commands and outputs together) - A modern text editor for your input - Features like Workflows and AI command search that help you perform tasks faster - Tabs, native split panes, and menus With Warp, you get similar performance to Alacritty (we are both Rust-based, GPU-accelerated native apps, and Warp leverages some of Alacritty’s model code) But you also get many more built-in features that we think make all developers more productive, like: For instance, Alacritty has no tabs: users are expected to use tmux. It’s geared towards folks who are familiar with more advanced tools like tmux, and who are comfortable doing advanced configuration in the shell. We think the two products are meant for two different audiences.Īlacritty has a very minimalist philosophy that suits some terminal power users very well. We’re grateful that a few of the collaborators reviewed our early design docs. We create a separate grid for each command and output based on the precmd/preexec hooks we receive from the shell.įirst of all, we love Alacritty: our terminal model code is based on Alacritty’s model code. Within Warp we can parse the DCS, deserialize the JSON, and create a new block within our data model. OurThis DCS contains an encoded JSON string that includes metadata about the session that we want to render. Using these hooks, we send a custom Device Control String (DCS) from the running session to Warp. Thankfully, most shells provide hooks for before the prompt is rendered (zsh calls this precmd) and before a command is executed (preexec). For example if the shell wants to tell the terminal to render text red, bold, and underline it would send a specific escape code, which the terminal then parses and renders with the appropriate styles. ![]() At a high level, a terminal reads and writes bytes from a pseudoterminal to interact with the shell.Ī terminal implements the VT100 spec, which is used to communicate information from the shell to the terminal. The terminal has no concept of what program is running, or really of anything that’s happening within the shell. We’ve actually written a blog post about the state of CLIs today and why we should build an integrated shell and terminal experience here. But on top of that, you have access to a code editor for input, and you can discover new and past commands more easily via keyboard-first menus. You can still use the CLI: with Warp you can still write composable commands over SSH. We want to keep the best parts of CLIs while modernizing the experience. Shells can’t show completion menus to help with discoverability. Users can’t move their cursors with their mouse. However, we have observed that more companies are building graphical interfaces to their tools and services we believe this is, in part, because the limited character-in-character-out protocol of the terminal impairs accessibility and discoverability. GUIs are slower, less flexible, won’t work over SSH, and are not composable, etc. We at Warp are huge fans of CLIs: they are easy to build, fast, composable, scriptable, and keyboard-first. Eventually, the terminal could be part of an extensible, customizable platform. This will also make the terminal more secure through integrated password-management and logging. The cloud will allow Warp to build knowledge sharing through wikis and READMEs that run directly in the terminal. Imagine being able to not just have real-time collaboration (like Google Docs) but asynchronous collaboration through shared commands, settings, and history. For teams, connection to the cloud powers collaboration. For individual developers, connection to the cloud lets you sync your Warp settings across devices, set up Warp quickly on new devices, or access the command line from any device with access to the web. Warp is connected to the cloud so we can deliver a richer, more collaborative terminal experience. Check out our documentation for a full list of cloud-based features. Some cloud-based features, such as block sharing and Warp AI will not work offline. All core terminal features will work as expected. Yes, Warp works offline once you’re logged in. ![]()
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