Best Second Alternatives
Updated February 2026
Second
AI-Powered Codebase Maintenance
Looking for alternatives to Second? We found tools across 4 categories that offer similar functionality. The top-rated alternatives include FL0 (5.0★) , Sourcery AI (5.0★) , and Kaleidoscope (5.0★).
Second vs Top Alternatives
| Tool | Rating | Reviews | Pros | Cons |
|---|---|---|---|---|
|
Second
|
★★★★★ | 4 | 9 | 1 |
FL0
|
★★★★★ | 7 | 14 | 0 |
Sourcery AI
|
★★★★★ | 2 | 0 | 0 |
Kaleidoscope
|
★★★★★ | 1 | 0 | 0 |
Scoutflo
|
★★★★★ | 10 | 11 | 1 |
GPT Pilot
|
★★★★★ | 7 | 0 | 0 |
Best Git clients Alternatives to Second
FL0
deploy fast, scale faster
Sourcery AI
Instant Python refactoring
Kaleidoscope
The leading diff and merge app for developers on the Mac
GitHub
How people build software
Graphite
The AI-powered pull request toolchain
GitLab
Complete DevOps platform, delivered as a single application.
Sublime Merge
Meet a new Git Client, from the makers of Sublime Text
Architect.io
Deploy any app, anywhere
Algebras AI
Full-stack AI agent for 300+ language localization
Github Mobile
The world’s development platform, in your pocket
Electron Fiddle
Create, run, package, and share experiments with Electron.
GitButler
The Next Generation Git Client
CatSync
Enhance repository and pull request management
Working Copy
Clone + Push to GitHub & more.
Atlassian Sourcetree
The best Mac and Windows client for Git and Mercurial.
Codegiant
Software Development Tool
Tabby
A terminal for a more modern age
PullNotifier
Improve productivity for dev teams using Github and Slack
reposhare
Turn your repositories into revenue streams
DeskHub
The Habit Teacher for Devs using GitHub
RunsOn
10x cheaper GitHub Actions runners, self-hosted on AWS
Zigma by NextUI (YC S24)
Connect your design files to production code in minutes
Best AI Coding Agents Alternatives to Second
FL0
deploy fast, scale faster
Sourcery AI
Instant Python refactoring
Scoutflo
AI SRE platform to investigate incidents & fix in production
GPT Pilot
Develop entire app using AI while overseeing code
Codejet
Figma to quality React code.
Invisibility
One copilot for all AI models on Mac
SkillReactor
AI Ready Tech Skills for Everyone
Almanax
An AI Security Engineer fixing your code vulnerabilities
ml5js
Friendly Machine Learning For The Web.
AI Code Reviewer
AI reviews your code
DataMotto
Make Your Raw Data Clean and Ready with AI
EarlyAI
You code, let Early take care of the test
ZeroPath
LLM-Powered Code Security
MakeHub.ai
LLM Provider arbitrage to get the best performance for the $
Bito
Codebase intelligence for AI coding and reviews
◯˚GitStart
Pull Requests as a Service
TBC-AI
Turn prompts into full-stack apps - no code needed!
Ellipsis (YC W24)
AI code reviews & bug fixes
Pieces for Developers
On-device AI development assistant for your entire workflow
Qodo (formerly CodiumAI)
Agentic AI for testing, reviewing, and writing code.
InvertedStone
Custom scripts and tools related to AI
Kodezi
AI CTO for your codebase
Not Diamond
The last chatbot you’ll ever need
Claude Code
Anthropic’s deep-context AI coder
Codex by OpenAI
AI that writes code for you
Gadget
The fastest way to build and run web apps — with AI
Sparrow
The lightest and fastest API testing platform
Wordvice AI Writing Assistant
Automatic text editing and proofreading tool.
LogicLoop AI SQL Copilot
SQL AI Copilot for business and data teams
PoweredbyAI
The newest and most powerful AI tools & prompts!
Best Code Review Tools Alternatives to Second
Sourcery AI
Instant Python refactoring
Codejet
Figma to quality React code.
SkillReactor
AI Ready Tech Skills for Everyone
Almanax
An AI Security Engineer fixing your code vulnerabilities
Kaleidoscope
The leading diff and merge app for developers on the Mac
AI Code Reviewer
AI reviews your code
ZeroPath
LLM-Powered Code Security
GitHub
How people build software
Graphite
The AI-powered pull request toolchain
Bito
Codebase intelligence for AI coding and reviews
◯˚GitStart
Pull Requests as a Service
Ellipsis (YC W24)
AI code reviews & bug fixes
Qodo (formerly CodiumAI)
Agentic AI for testing, reviewing, and writing code.
Kodezi
AI CTO for your codebase
Best AI Infrastructure Tools Alternatives to Second
FL0
deploy fast, scale faster
Scoutflo
AI SRE platform to investigate incidents & fix in production
GPT Pilot
Develop entire app using AI while overseeing code
Invisibility
One copilot for all AI models on Mac
ml5js
Friendly Machine Learning For The Web.
DataMotto
Make Your Raw Data Clean and Ready with AI
EarlyAI
You code, let Early take care of the test
MakeHub.ai
LLM Provider arbitrage to get the best performance for the $
TBC-AI
Turn prompts into full-stack apps - no code needed!
Pieces for Developers
On-device AI development assistant for your entire workflow
InvertedStone
Custom scripts and tools related to AI
Not Diamond
The last chatbot you’ll ever need
Frequently Asked Questions
What are the best alternatives to Second?
The top-rated alternatives to Second include FL0, Sourcery AI, Kaleidoscope. These tools offer similar functionality in categories like Git clients, AI Coding Agents, Code Review Tools.
How many alternatives to Second are there?
There are 50 alternatives to Second listed on FactCheckTool, spanning 4 categories.
What is the highest-rated alternative to Second?
FL0 is the highest-rated alternative to Second with a rating of 5.0/5 based on 7 reviews.
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