Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now. Learn more →
Scalar Alternatives
Similar projects and alternatives to scalar
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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webextension-polyfill
Discontinued A lightweight polyfill library for Promise-based WebExtension APIs in Chrome
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stagehand
The AI Browser Automation library by Browserbase. Write web automation scripts in plian english with primitives like act('click this button'), extract('get the price for xyz product'), and observe('find the submit button').
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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elements
Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown. (by stoplightio)
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spectral
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
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Git
Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
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awesome-test-automation
A curated list of awesome test automation frameworks, tools, libraries, and software for different programming languages. Sponsored by https://zapple.tech and https://automated-testing.info
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better scalar alternative or higher similarity.
scalar discussion
scalar reviews and mentions
Posts with mentions or reviews of scalar.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-06-10.
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Build a versioned Laravel API with auto-generated OpenAPI docs in 10 minutes
Open GET /api/doc in a browser. You don't get a raw JSON file — you get a ready-to-use interactive API reference (rendered with Scalar), with a version switcher across v1, v2, … already wired up. The package walked your controllers, read those docblocks, and produced a complete OpenAPI 3.0 document — parameters, enums, response schemas, the lot. These docs can't drift, because they are the code.
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Using Changesets in a Polyglot Monorepo
We basically do the same for https://github.com/scalar/scalar/
Publishing to npm, PyPi, Maven Central, crates.io, NuGet… all using changesets.
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Scalar Has a Free API — Beautiful API Documentation in Seconds
Scalar is a modern alternative to Swagger UI and Redoc:
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How We Documented 95 API Endpoints with OpenAPI and Scalar
For the interactive UI, we serve a minimal HTML page that loads Scalar from a CDN:
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Microsoft Agent Framework with Foundry Local in .NET/C#
See the Scalar UI as below.
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Stoplight Alternatives Developers Actually Work with
Scalar, recommended by former Stoplight PM Phil Sturgeon, offers an MIT-licensed core, living docs, and transparent pricing. It renders OpenAPI (and soon AsyncAPI/GraphQL) extremely fast with universal theming.
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Build an Aspire API Using Microsoft OpenAI, Scalar, OpenRouter, Structured Output, and Custom Headers
So now we want a Swagger UI, there are options, we could use the battle tested Swashbuckle, the popular ReDoc, or the FOSS Scalar https://github.com/scalar/scalar however they do have a cloud offering. If you pay you get the following:
- Show HN: Turn OpenAPI documents to LLM friendly Markdown
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Building "Production-Grade" APIs in .NET: Part 2 - A Professional Looking API
This spec powers visual tools that help developers understand, test, and integrate with your API. While Swagger UI has been the go-to for years, modern alternatives like Scalar are raising the bar with cleaner UX, better search, and more intuitive navigation. For this post, we’ll be using Scalar to showcase how a well-designed OpenAPI spec gives your API a professional, developer-friendly front.
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How to Create Developer-Friendly API Portals
Scalar—Open source API docs tool that powers various developer portals like Supabase's
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A note from our sponsor - Kargo
akuity.io | 6 Sep 2026
Stats
Basic scalar repo stats
28
16,040
9.9
5 days ago
scalar/scalar is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of scalar is TypeScript.
Sponsored
Stop Scripting Promotions. Start Shipping with Kargo
Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
akuity.io