
1. AppVeyor
AppVeyor · Vancouver · Developer tools & APIs · 4.3/5
Continuous integration and deployment service for Windows, Linux and macOS.
Free plan
Free plan available
Free, independent software advice for Indian businesses
For software companies: reach Indian businesses ready to buy

Developer tools & APIs · Alternatives
Avalonia UI is a developer tools & apis product from AvaloniaUI OÜ, Tallinn, priced at Free plan with a free plan. We compared 20 alternatives on published price, free plan, platforms and made-in-India support: 20 have a free plan, 5 are built in India.
Quick answer
The closest alternatives to Avalonia UI are AppVeyor (Free plan), Ionic (Free plan), GameMaker (Free plan), Instabug (Free plan) and UXCam (Free plan). AppVeyor is the top-ranked option with a free plan.
Indian support and GST
Avalonia UI is built in Estonia. 5 alternatives are made in India, where GST, TDS and UPI are usually handled natively and support runs on IST.
Ranked by how closely each product matches Avalonia UI's category, pricing model, platforms and business size, then by rating. Prices exclude GST.
| # | Software | Starting price | Free plan | Platforms | Made in India | Rating | Compare |
|---|---|---|---|---|---|---|---|
| — | Avalonia UI (current) | Free plan | Yes | Android, iOS, Windows | No | 4.3/5 | — |
| 1 | AppVeyor | Free plan | Yes | Windows | No | 4.3/5 | |
| 2 | Ionic | Free plan | Yes | Web, Android, iOS, Windows | No | 4.2/5 | |
| 3 | GameMaker | Free plan | Yes | Web, Android, iOS, Windows | No | 4.2/5 | |
| 4 | Instabug | Free plan | Yes | Web, Android, iOS | No | 4.4/5 | |
| 5 | UXCam | Free plan | Yes | Web, Android, iOS | No | 4.4/5 | |
| 6 | BrowserStack | Free plan | Yes | Web | Yes | 4.8/5 | |
| 7 | TestMu AI | Free plan | Yes | Web | Yes | 4.7/5 | |
| 8 | Kobiton | Free plan | Yes | Web, Android, iOS | No | 4.3/5 | |
| 9 | Free plan | Yes | Web, Android, iOS | No | 4.3/5 | ||
| 10 | Postman | Free plan | Yes | Web | No | 4.6/5 | |
| 11 | Defold | Free | Yes | Web, Android, iOS, Windows | No | 4.3/5 | |
| 12 | Embrace | Free plan | Yes | Web, Android, iOS | No | 4.3/5 | |
| 13 | JetBrains IntelliJ IDEA | Free plan | Yes | Web | No | 4.6/5 | |
| 14 | Android Studio | Free | Yes | Web, Android, iOS | No | 4.6/5 | |
| 15 | Visual Studio | Free plan | Yes | Web | No | 4.6/5 | |
| 16 | PyCharm | Free plan | Yes | Web | No | 4.6/5 | |
| 17 | Hoppscotch | Free plan | Yes | Web | Yes | 4.6/5 | |
| 18 | Free plan | Yes | Web | Yes | 4.6/5 | ||
| 19 | Mockoon | Free plan | Yes | Web, Windows | No | 4.2/5 | |
| 20 | Percy | Free plan | Yes | Web | Yes | 4.6/5 |

AppVeyor · Vancouver · Developer tools & APIs · 4.3/5
Continuous integration and deployment service for Windows, Linux and macOS.
Free plan
Free plan available

Drifty Co. · Madison · Developer tools & APIs · 4.2/5
App platform for building cross-platform mobile, web and desktop apps from one shared open-web codebase.
Free plan
Free plan available
Compared with Avalonia UI

GameMaker · Dundee · Developer tools & APIs · 4.2/5
2D game engine for building and exporting games to desktop, mobile, web and console platforms.
Free plan
Free plan available
Compared with Avalonia UI

Free plan
Free plan available
Compared with Avalonia UI

Free plan
Free plan available
Compared with Avalonia UI

BrowserStack · Mumbai · Developer tools & APIs · 4.8/5
Cross-browser and device testing cloud built in Mumbai.
Free plan
Free plan available
Compared with Avalonia UI
Key features

TestMu AI · Noida · Developer tools & APIs · 4.7/5
Cross-browser and app test execution cloud built in Noida; rebranded from LambdaTest in January 2026.
Free plan
Free plan available
Compared with Avalonia UI
Key features

Kobiton · Atlanta · Developer tools & APIs · 4.3/5
Mobile device testing platform on real devices.
Free plan
Free plan available
Compared with Avalonia UI
Pcloudy · Pittsburgh · Developer tools & APIs · 4.3/5
Mobile and web app testing on a cloud of 5,000+ real devices and browsers.
Free plan
Free plan available
Compared with Avalonia UI

Postman · San Francisco · Developer tools & APIs · 4.6/5
API platform founded in Bengaluru, used by millions of developers.
Free plan
Free plan available
Compared with Avalonia UI
Key features
The closest matches to Avalonia UI on App Advisor are AppVeyor (Free plan), Ionic (Free plan), GameMaker (Free plan). They are ranked by how closely their category, pricing model, platforms and target business size match Avalonia UI, then by rating. The best choice depends on your team size and budget.
Yes. 20 of the 20 alternatives listed have a free plan or are free: AppVeyor (Free plan), Ionic (Free plan), GameMaker (Free plan). Free plans usually cap users, records or transactions, so check the limits against your monthly volume.
Yes. 5 alternatives are built in India, including BrowserStack (Free plan), TestMu AI (Free plan), Hoppscotch (Free plan). Indian products usually handle GST, TDS and UPI natively and bill in rupees.
AppVeyor is the closest match to Avalonia UI in our catalogue. Compare them side by side before you book a demo.
Every product listed sits in developer tools & apis or a category Avalonia UI also covers, and AvaloniaUI OÜ's own products are excluded. Prices, free plans and platforms come from each vendor's official website. App Advisor does not sell any of this software.
Free shortlist
Tell us your team size and budget and we'll send a shortlist of three.