New Software Engineering Tools in 2026

Prevent product drift in AI-written code

AI writes your code at 10× speed. Prelint makes sure it's the right code - it reviews every PR against your ADRs, docs and past decisions, and catches product drift before it ships. On teams using several AI reviewers, ~40% of the issues…

A smarter model for your most complex tasks

3.1 Pro is designed for tasks where a simple answer isn’t enough. Building on the Gemini 3 series, 3.1 Pro represents a step forward in core reasoning. 3.1 Pro is a smarter, more capable baseline for complex problem-solving.

Make your software self-driving

The faster your team ships with AI, the harder it becomes to keep production stable. Not anymore. Coldtea is an agentic IDE where your coding agents build, visual QA agents catch regressions, and AI monitoring watches production, so your…

Preview and share your coding work live as it happens

Preview your in-progress work in Claude Code as a live, interactive artifact—built from your full session context and shareable with your team.

Build AI agents with a modern TypeScript stack

From the team behind Gatsby, Mastra is a framework for building AI-powered apps and agents with workflows, memory, streaming, evals, tracing, and Studio, an interactive UI for dev and testing. Start building: npm create mastra@latest

Replay QA tells you what is broken before your users do

Add your GitHub repo for continuous testing, or drop in a URL for a one-time check. Replay QA explores your app, records every session, finds real bugs, and gives your coding agent the root cause and fix. Try for free: qa.replay.io

The AI employee in Slack that reads the room

Tadata is the AI employee that lives in your Slack. It connects to your tools, learns your company and your preferences, and does work for your team.

Manage a team of coding agents from a doc

Tonkotsu is a fresh approach: a clean, focused GUI that lets you manage a team of coding agents from a doc. FREE during our early access program.

Build something real with the most complete AI builder

The most complete AI builder ever made. With Imagine, you turn your ideas into functional products by chatting with AI. No matter your prompt, your applications will always have: - Built-in cloud: Auth, Databases, Storage, Notifications…

Proactive AI that refines code & learns your standards

Most AI coding tools wait for you to ask. Enia Code doesn’t. Enia is a proactive AI coding agent that detects bugs, performance issues, architectural inconsistencies, and refactoring opportunities — as you write code. No prompting. No…

AI agent that root-causes engineering alerts

Struct is an AI agent that root-causes engineering alerts using logs, metrics, traces, and code. Resolve incidents faster with a composable, customizable system that deploys in minutes and works with your existing DevOps workflows.

The Open Agent Skills Ecosystem

Discover and install skills for AI agents. Skills are reusable capabilities for AI agents. Install them with a single command to enhance your agents with access to procedural knowledge: npx skills add

Build evals and custom benchmarks for real-world tasks

Run eval experiments at scale in realistic environments. Define custom task sets to build your private benchmarks, measure how well agents can use any product, and find best models for your use cases. Generate dynamic insights to detect…

Control your company's internal AI agents and tools

Decawork is how IT teams take employee-built AI agents live and control every one of them from one place. An employee builds an agent on Claude Code, Codex, or any vibecoding tool; we take it in, put it on company accounts, and run it as…

Free coding agents to kill Claude, Cursor, Replit, and Devin

Freebuff is a free coding agent that gives you access to the best open source models. We offer a CLI, Desktop app, Web app builder, and Cloud agent -- all free! This is the free way to build full-stack apps. No subscription, no API keys…

Everything you need around your LLM calls.

Coding agents, meet teamwork

AI moves fast. Keep your infrastructure under control.

Open models, built for agents.

Know the instant your build breaks

The AI Runtime Backend QA Engineer

AI code reviews with deep analysis & multi-tool integrations

Intent verification for coding agents

Use any model inside Claude Code, keep your Claude plan

One desktop workspace for all your AI coding agents

AI-powered Full-Stack Observability & Agentic SRE-Ops

Workspace for your AI Agents