Best Development Tools to Use in 2026

Discover the best free and open-source development tools. Curated list with alternatives and reviews.

Top Picks

U

Userstack

Secure User-Agent String Lookup JSON API

Free
2

24 Pull Requests

Project to promote open source collaboration during December

Free
A

Agify.io

Estimates the age from a first name

Free
A

Amazonscraperapi

Amazon product, search & batch scraping API with residential proxies (1000 free)

Free
A

API Grátis

Multiples services and public APIs

Free
A

ApicAgent

Extract device details from user-agent string

Free

More Great Options

7

ApiFlash

Chrome based screenshot API for developers

8

APIs.guru

Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs

9

Azure DevOps

The Azure DevOps basic components of a REST API request/response pair

10

Base

Building quick backends

11

Beeceptor

Build a mock Rest API endpoint in seconds

12

Bitbucket

Bitbucket API

FAQ

Are these tools really free?

Yes! All tools listed on Craftisle are 100% free or have a generous free tier.

How do you choose the best tools?

We evaluate based on features, ease of use, community support, and update frequency.