
GitHub Copilot
Tabnine
Amazon CodeWhisperer
Visual Studio IntelliCode
Codeium
GPT-Code-Clippy
Kite
An open source alternative to GitHub Copilot

Kite
Tabnine
Visual Studio IntelliCode
GitHub Copilot
GPT-Code-Clippy
Amazon CodeWhisperer
An open-source, mini imitation of GitHub Copilot using EleutherAI GPT-Neo-2.7B (via Huggingface Model Hub) for Emacs.

Which is more popular?
Based on our record, Captain Stack seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Captain Stack yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How to install Captain Stack
More videos
SECOND Mate | Bridge Preparation for PSC / AMSA | Tough Zygian
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Captain Stack and Second Mate. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Human resource managers and Stackoverflow are analogous to developers and Stackoverflow. We require platforms and tools. Captain Stack is an open-source VSCode plugin that combines the two. Inspired by Copilot, it is...
Stackoverflow and developers are similar to LinkedIn and HR professionals. An open-source VSCode plugin called Captain Stack combines elements of both.
Developers and Stackoverflow are like human resources managers and LinkedIn. We need our platforms and tools. Captain Stack is an open-source VSCode plugin that is a bit of both. Inspired by Copilot, Captain Stack is...
Second Mate is another open-source imitation of GitHub Copilot. It uses EleutherAI GPT-Neo-2.7B (via Huggingface Model Hub) for Emacs. It is a much smaller model, so it will likely not be as effective as Copilot or...
Recommendations tracked on public social media and blogs since March 2021.


I caught up with Hieu Nguyen (@hieunc) of ishim, Rebit, Captain Stack, and more. He told me exactly how he made his first sale for ishim within five days of kicking off development, and another $1K+ within a month. Source: about 3 years ago
In fact, many have pointed out that Copilot’s process of looking up code based on its expected constraints is similar to one that a developer might experience by searching StackOverflow for code snippets. Funnily, some thought the idea... - Source: dev.to / over 4 years ago
Tracking Second Mate since Jan 2023.
When comparing Captain Stack and Second Mate, you can also consider the following products.

Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.
Compare GitHub Copilot to Captain Stack or Second Mate:

Kite helps you write code faster by bringing the web's programming knowledge into your editor.
Compare Kite to Captain Stack or Second Mate:

TabNine is the all-language autocompleter. We use deep learning to help you write code faster.
Compare Tabnine to Captain Stack or Second Mate:

Amazon CodeWhisperer is a machine learning (ML)–powered service that helps improve developer productivity by generating code recommendations based on their comments in natural language and code in the integrated development environment (IDE).
Compare Amazon CodeWhisperer to Captain Stack or Second Mate:

Visual Studio IntelliCode is an experimental set of AI-assisted development capabilities for next-generation developer productivity.
Compare Visual Studio IntelliCode to Captain Stack or Second Mate:

Free AI-powered code completion for *everyone*, *everywhere*
Compare Codeium to Captain Stack or Second Mate: