Best Swimm Alternatives & Competitors 2026

Swimm is an AI-driven platform that simplifies mainframe modernization by providing deep code insights, automated documentation, and secure, scalable solutions.

A popular AI Code Assistant tool with 123.5K monthly visits. We've analyzed 8 similar AI tools to help you compare features, popularity, and ratings. Find the perfect alternative for your needs.

Quick Comparison

(Top 5 by Traffic)
ToolVisitsTop MarketGrowthRating
Swimm
SwimmCurrent
123.5K
🇺🇸
United States12.3%
+7.9%
-
GitBook AI
GitBook AI
774.5K
🇺🇸
United States14.9%
+13.2%
-
iWeaver
iWeaver
472.6K
🇺🇸
United States8.9%
-9.8%
-
Sourcegraph
Sourcegraph
383.2K
🇺🇸
United States28.1%
-3.5%
-
CodeGPT
CodeGPT
278.8K
🇮🇳
India11.0%
+4.3%
-
DocuWriter.ai
DocuWriter.ai
74.8K
🇮🇳
India14.4%
+61.7%
-
Data based on traffic metrics from December 2025

Top 8 Alternatives to Swimm

Bloop

bloop transforms legacy COBOL into clean, readable Java, making modernization faster, safer, and more cost-effective.

US
36.20%
|
6.7K
|
3.0
DocuWriter.ai
🌱Emerging Tool

DocuWriter.ai is the ultimate AI-powered tool for automating code documentation, API docs, and test generation, helping developers save time and improve code quality.

IN
14.37%
|
74.8K
|
5.0
Moderne
🌱Emerging Tool

Moderne is the ultimate tool for automating code refactoring and analysis across multiple repositories. It’s fast, secure, and AI-powered, making it easier than ever to modernize your codebase and leave tech debt behind.

US
27.64%
|
34.6K
|
4.0
CodeGPT
Medium Scale

CodeGPT is the ultimate AI-powered development platform, offering specialized AI agents, deep codebase understanding, and enterprise-ready security to supercharge your software development process.

IN
10.97%
|
278.8K
|
5.0
Sourcegraph
Medium Scale

Sourcegraph is a game-changer for software development, using AI to automate tasks and improve efficiency in large codebases. It’s trusted by top companies worldwide to accelerate innovation.

US
28.05%
|
383.2K
|
5.0
Codegen
🌱Emerging Tool

Codegen is your go-to AI Engineering Assistant, offering instant codebase access, seamless GitHub interaction, and enterprise-grade security. Deploy in minutes and start coding smarter today.

US
57.65%
|
72.7K
|
5.0
GitBook AI
Medium Scale

GitBook is a powerful documentation platform with AI-powered tools to improve writing, translate content, and provide instant answers, all while keeping your data secure.

US
14.92%
|
774.5K
|
5.0
iWeaver
Medium Scale

iWeaver is an AI-powered productivity tool that automates tasks, organizes knowledge, and delivers sharp insights, helping you work smarter and faster.

US
8.92%
|
472.6K
|
5.0
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