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Typespec Alternatives
Similar projects and alternatives to typespec
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
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jsii
jsii allows code in any language to naturally interact with JavaScript classes. It is the technology that enables the AWS Cloud Development Kit to deliver polyglot libraries from a single codebase!
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connexion
Connexion is a modern Python web framework that makes spec-first and api-first development easy.
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vcr
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
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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 typespec alternative or higher similarity.
typespec discussion
typespec reviews and mentions
Posts with mentions or reviews of typespec.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-05-08.
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Dev Proxy v0.27: New API Modeling and AI Features Released
One major addition is the capability to generate TypeSpec definitions from intercepted requests. This feature allows developers to quickly create TypeSpec definitions from real traffic, streamlining the API modeling process. It works similarly to generating OpenAPI specifications, enhancing productivity.
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Energy-Efficient Schema-Driven Development with Spring WebMVC/WebFlux
However, writing OpenAPI schemas manually can be a poor developer experience. While tools like typespec exist to address this, they will not be covered here.
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ez-api – API development toolkit powered by TypeSpec
I first came across TypeSpec through an article on LinkedIn where someone shared a positive experience using it. This sparked my curiosity, as I was looking for ways to improve API documentation in my current project. The API documentation for our product was relatively weak, making it difficult to ensure consistency and clarity. I decided to experiment with TypeSpec by applying it to a real-world scenario, aiming to simplify API definition and improve collaboration.
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Show HN: FastOpenAPI – automated docs for many Python frameworks
After years of development - Now I prefer declarative approach. Specs first, generate the code from it and implement required Interfaces.
One great too for that is TypeSpec[0].
This also allows thinking about the API first and ensures that what's documented is what's implemented.
[0] https://typespec.io
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Introduction to TypeSpec
I'm not the only one with this impression because, in early 2024, Microsoft launched a new Open Source project called TypeSpec. It is a format based heavily on TypeScript, also created by Microsoft and simplifies the definition of APIs.
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Ask HN: How do you write OpenAPI docs?
- Break OpenAPI files into different files and use swagger-cli to combine them.
- Generate server/client for go using oapi-codegen and for Typescript using OpenAPI.
The tooling on the IDE side certainly lacks a bit but you don't miss it much.
I have yet to evaluate https://typespec.io/ if that fits the purpose.
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Zod: TypeScript-first schema validation with static type inference
Does anyone have a nice combination of tooling for typed handlers + client generation.
Thinking maybe Zod + Zod open API.
Really looking to replicate similar spec first workflow similar to protobuf services.
https://typespec.io/ also looks promising but seems early.
- TypeSpec
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Microsoft TypeSpec
Eagerly awaiting AsyncAPI Support: https://github.com/microsoft/typespec/issues/2463
AsyncAPI support would make TypeSpec the end-all/be-all API spec tool for a lot of people.
- TypeSpec – Describe APIs
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A note from our sponsor - InfluxDB
www.influxdata.com | 12 May 2025
Stats
Basic typespec repo stats
22
5,059
9.9
3 days ago
microsoft/typespec is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of typespec is Java.
Sponsored
InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com