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Best HtmlUnit Alternatives in 2026

Updated

20 apps from browser automation tools ranked against HtmlUnit on the same published basis.

  1. 1
    SteelNen Labs, Inc. Free plan Open sourceapiself-hostedWeb $250/mo7.8
    HtmlUnit vs Steel
  2. 2
    Browserless Free plan Open sourceWeb $25/mo7.7
    HtmlUnit vs Browserless
  3. 3
    Kameleo Free plan AndroidapiextensioniOSLinux €3.75/mo6.8
    HtmlUnit vs Kameleo
  4. 4
    Katalon Studio Free plan AndroidiOSLinuxMacself-hosted $83.33/mo6.7
    HtmlUnit vs Katalon Studio
  5. 5
    Nightwatch Free plan AndroidiOSLinuxMacWeb Free6.7
    HtmlUnit vs Nightwatch
  6. 6
    TestCafe Free plan AndroidiOSLinuxMacself-hosted $20/mo6.7
    HtmlUnit vs TestCafe
  7. 7
    TestMu AI Web Automation (formerly LambdaTest Web Automation) Free plan AndroidapiiOSLinuxMac $29/mo6.7
    HtmlUnit vs TestMu AI Web Automation (formerly LambdaTest Web Automation)
  8. 8
    testRigor Free plan AndroidapiextensioniOSLinux $300/mo6.7
    HtmlUnit vs testRigor
  9. 9
    WebdriverIO Free plan AndroidextensioniOSLinuxMac Free6.7
    HtmlUnit vs WebdriverIO
  10. 10
    Cypress Free plan LinuxMacWebWin $67/mo6.6
    HtmlUnit vs Cypress
  11. 11
    SeleniumBase Free plan apiLinuxMacself-hostedWeb Free6.6
    HtmlUnit vs SeleniumBase
  12. 12
    Thunderbit Free plan apiextensionMacWebWin $0.75/mo6.6
    HtmlUnit vs Thunderbit
  13. 13
    Ui.Vision RPA Free plan apiextensionLinuxMacWeb €11.90/mo6.6
    HtmlUnit vs Ui.Vision RPA
  14. 14
    chromedp Free plan apiLinuxMacself-hostedWin Free6.5
    HtmlUnit vs chromedp
  15. 15
    DrissionPage Free plan LinuxMacWin Free6.5
    HtmlUnit vs DrissionPage
  16. 16
    Geb Free plan LinuxMacWebWin Free6.5
    HtmlUnit vs Geb
  17. 17
    Playwright Free plan LinuxMacself-hostedWebWin Free6.5
    HtmlUnit vs Playwright
  18. 18
    Puppeteer Free plan apiextensionLinuxMacself-hosted Free6.5
    HtmlUnit vs Puppeteer
  19. 19
    Robot Framework Browser Free plan apiLinuxMacself-hostedWeb Free6.5
    HtmlUnit vs Robot Framework Browser
  20. 20
    Rod Free plan apiLinuxMacself-hostedWeb Free6.5
    HtmlUnit vs Rod

HtmlUnit alternatives compared

#AppScoreFree planFromRuns on
1Steel7.8Free plan$250/moAPI, self-hosted, Web
2Browserless7.7Free plan$25/moWeb
3Kameleo6.8Free plan€3.75/moAndroid, API, Browser, iOS, Linux, Mac, Web, Windows
4Katalon Studio6.7Free plan$83.33/moAndroid, iOS, Linux, Mac, self-hosted, Web, Windows
5Nightwatch6.7Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
6TestCafe6.7Free plan$20/moAndroid, iOS, Linux, Mac, self-hosted, Web, Windows
7TestMu AI Web Automation (formerly LambdaTest Web Automation)6.7Free plan$29/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
8testRigor6.7Free plan$300/moAndroid, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows
9WebdriverIO6.7Free planFreeAndroid, Browser, iOS, Linux, Mac, Web, Windows
10Cypress6.6Free plan$67/moLinux, Mac, Web, Windows
11SeleniumBase6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
12Thunderbit6.6Free plan$0.75/moAPI, Browser, Mac, Web, Windows
13Ui.Vision RPA6.6Free plan€11.90/moAPI, Browser, Linux, Mac, Web, Windows
14chromedp6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
15DrissionPage6.5Free planFreeLinux, Mac, Windows
16Geb6.5Free planFreeLinux, Mac, Web, Windows
17Playwright6.5Free planFreeLinux, Mac, self-hosted, Web, Windows
18Puppeteer6.5Free planFreeAPI, Browser, Linux, Mac, self-hosted, Web, Windows
19Robot Framework Browser6.5Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
20Rod6.5Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
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Questions about HtmlUnit alternatives

What is the best alternative to HtmlUnit?

Steel, number 1 in browser automation tools with a score of 7.8 out of 10. The others here: Browserless, Kameleo, Katalon Studio and 16 more.

What is the best free alternative to HtmlUnit?

Steel is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.

Is there an open-source alternative to HtmlUnit?

Yes: Steel, Browserless.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.