Popular: Data updated November 8, 2026

Categories

Internet1,378
Communication323
Audio & video914
Graphics & design552
Office & productivity1,137
Developer tools3,179
AI tools555
Security & privacy396
System tools3,169
Games532
Education & science240
Network & IT291

API Spector alternatives

Local-first API testing tool to inspect, test and mock APIs.

Testsmith IDEs & code editors

12 Windows apps in the same category as API Spector, ranked by what they have in common and by popularity.

  • Node.js (LTS)

    Run JavaScript Everywhere

    Open source 26.13.0 4.9M ↓ ★ 122.5K develop, development
  • RStudio

    RStudio is an integrated development environment (IDE) for R.

    Open source 2026.10.1+239 707.6K ↓ ★ 5.1K development
  • Apache NetBeans

    Development Environment, Tooling Platform and Application Framework.

    Open source 31 88.8K ↓ ★ 3.1K develop, development
  • VSCodium

    VSCodium is a community-driven, freely-licensed and telemetry-free rebuilt of Microsoft's Visual Studio Code.

    Open source 1.143.17232 398.1K ↓ ★ 33.8K development
  • Haxe

    Haxe is an open source high-level strictly-typed programming language with a fast optimizing cross-compiler.

    Open source 4.3.7 49.7K ↓ ★ 7K development
  • Thonny

    Thonny is a Python IDE meant for learning programming.

    Open source 5.0.1 96.6K ↓ ★ 4K development
  • GDevelop

    The fastest, easiest, most powerful no-code game engine.

    Open source 5.6.287 12.9K ↓ ★ 27.8K develop, development
  • mkcert

    A simple zero-config tool to make locally trusted development certificates with any names you'd like.

    Open source 1.4.4 495K ↓ ★ 59.8K development
  • Android Studio

    The official Integrated Development Environment (IDE) for Android app development.

    Proprietary 2026.2.2.8 482.5K ↓ debug, development
  • Processing

    A language and environment for creative coding

    Open source 4.5.7 79.2K ↓ ★ 518
  • Pure Data

    Pure Data (or just Pd) is an open source visual programming language for multimedia

    Open source 0.57-0 9.7K ↓ ★ 2.1K development
  • imhex

    A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

    Open source 1.38.1 45.7K ↓ ★ 55.5K development

Comparison

AppLicenceVersionUpdatedGitHub starsChocolatey downloads
API Spector Open source 0.9.11 November 6, 2026 — —
Node.js (LTS) Open source 26.13.0 October 28, 2026 122.5K 4.9M
RStudio Open source 2026.10.1+239 October 28, 2026 5.1K 707.6K
Apache NetBeans Open source 31 August 14, 2026 3.1K 88.8K
VSCodium Open source 1.143.17232 October 28, 2026 33.8K 398.1K
Haxe Open source 4.3.7 May 9, 2025 7K 49.7K
Thonny Open source 5.0.1 October 29, 2026 4K 96.6K
GDevelop Open source 5.6.287 November 4, 2026 27.8K 12.9K
mkcert Open source 1.4.4 October 8, 2022 59.8K 495K
Android Studio Proprietary 2026.2.2.8 October 28, 2026 — 482.5K
Processing Open source 4.5.7 September 24, 2026 518 79.2K
Pure Data Open source 0.57-0 October 5, 2026 2.1K 9.7K
imhex Open source 1.38.1 December 21, 2025 55.5K 45.7K