Alternatives to Standfast

Other reviewed development tools. Each one links to its full review, with what it is good for and what to watch out for.

Things To Do APIFreemiumFind local events and activities through a REST API or MCP interface.DevelopmentIntelliJ IDEAFreemiumJetBrains IDE for Java and Kotlin, with deep Spring support, refactoring, debugging and AI agents.DevelopmentVisual Studio CodeFreeFree, extensible code editor from Microsoft with debugging, Git, extensions and built-in AI agent features.DevelopmentCodebergFreeNon-profit, community-run Git hosting for free and open-source projects, powered by Forgejo.DevelopmentCursorFreemiumAI coding agent and editor from Anysphere, with agents in desktop, CLI, web and cloud.Development· AI-poweredNeovimOpen sourceOpen-source, hyperextensible Vim-based text editor with Lua plugins, LSP and Tree-sitter.DevelopmentSublime TextFree trialFast, cross-platform text and code editor known for multiple selections and Goto Anything.DevelopmentHoppscotchOpen sourceOpen-source API development platform for REST, GraphQL and realtime APIs, in the browser, desktop or CLI.DevelopmentPostmanFreemiumAPI platform for designing, testing, documenting and monitoring APIs, with an AI agent mode.DevelopmentGitHubFreemiumGit hosting and developer platform with pull requests, Actions CI/CD, Issues, Codespaces and Copilot.DevelopmentBrewPageFreeFree instant hosting for HTML, Markdown, sites, JSON and key-value data. Publish through the REST API and share the returned HTTPS link.DevelopmentImgAPIPaidGPT Image, Nano Banana & Seedream in one APIDevelopment· AI-poweredsyscall.shFreeLook up Linux system call numbers, arguments and registers by architecture.Developmentphoria2Open sourceBuild lightweight interactive 3D scenes in JavaScript.DevelopmentADRs4AIFreeKeep architecture decisions and open questions in Git so collaborators and coding agents can find them.DevelopmentZedOpen sourceOpen-source, GPU-accelerated code editor written in Rust, with multiplayer editing and optional AI.DevelopmentInsomniaOpen sourceOpen-source API client from Kong for REST, GraphQL, gRPC, WebSockets and MCP testing.DevelopmentTask-Flow ProPaidFull-stack productivity app source code with a public demoDevelopmentFirenookOpen sourceRun a local Firebase emulator for development and tests.DevelopmentAkii: SEO & AI Search OptimizerOpen sourceFree open-source Claude Code plugin: SEO, AEO, GEO, audits, content plans, schema and link checks.Development· AI-poweredBrunoOpen sourceOpen-source, Git-native API client that stores collections as plain-text files with no cloud account.DevelopmentllmspeedOpen sourceEstimate language-model inference speed for different models and hardware.DevelopmentGitLabFreemiumDevSecOps platform combining Git hosting, CI/CD, planning and security scanning, with AI agents.DevelopmentTermyFreemiumManage SSH sessions and transfer files from a Mac workspace.Development· AI-powered