DeepRails
DeepRails detects and fixes AI hallucinations before they reach your users.
FreemiumShip code faster and find the bug.
4,355 tools · updated Oct 1, 2026This is the deepest category on Appz, and the fastest-moving. It covers autocomplete and agentic coding assistants, code review and static analysis, test generation, observability and deployment tooling. Judge these tools on the boring parts — how they handle a large existing repo, and how much of their output you end up rewriting.
4,351 reviewed tools
DeepRails detects and fixes AI hallucinations before they reach your users.
FreemiumZoeMD is an AI clinical assistant that rapidly finds and summarizes peer-reviewed medical evidence for healthcare.
Freemium, FreeGimme-A-Quote streamlines your quoting process, making it fast and easy to send requests and receive quotes hassle-free.
Freemium, Free TrialDynamoi is your AI-driven ad agency for effective organic music promotion across major platforms like YouTube and.
Paid, FreemiumInvoice Guru enables UK tradespeople to create compliant invoices in under a minute, streamlining their invoicing.
Free Trial, FreemiumPUNKU.AI automates your tasks effortlessly in plain English with customizable templates, no coding required.
Freemium, PaidOutsource prospecting to book qualified demos and close more deals.
Paid, FreemiumMapfirst.ai is a free interactive map that helps publishers and developers earn revenue from clicks.
FreemiumCreate and download professional invoices instantly for free with InvoiceSonic, no signup required.
Freemium, Free TrialCheck if AI assistants mention your site and get a plan to boost visibility.
Freemium, Free TrialLaunch and optimize profitable Google and Facebook ads for your B2B SaaS.
Paid, FreemiumVibe Coded instantly creates professional presentations with AI-generated slides and images.
Free, FreemiumSkene transforms your codebase into a growth engine with AI-driven prompts for smarter, seamless product development.
Freemium, FreeWaplify empowers businesses to send bulk WhatsApp messages, achieving 90% open rates to boost sales effortlessly.
Paid, FreemiumGenerate professional delivery notes instantly to streamline your shipping process.
Free Trial, FreemiumCompletely free design editor with built-in AI: text generation, image generation, background removal, and more. A Sketch/Figma alternative for everyone.
FreeTurn design prompts into production React code. Describe a component or page and get clean, deployable code that bridges design and engineering.
FreemiumScreenshot any dating profile and get five personalized openers that actually get replies, not generic AI lines.
Freemium, FreeDeploy conversational Voice AI to resolve 24/7 support calls, qualify web leads, and manage reminders.
Freemium, FreeTurn any AI API key into an instant SaaS directory listing to discover, launch, and improve the best tools.
Freemium, Free