Best OpenLock Alternatives in 2026
15 lockdown browser software our editors would look at instead of OpenLock, in our ranking order.
OpenLock: A free, open Linux option with broad lockdown controls, but not exam-ready yet. Where it falls short: limited to linux.
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Best forMature institutions needing broad LMS support
A broad-platform exam browser for institutions using major LMS platforms.
- Blocks copy and printing
- Blocks screen capture
- Blocks app switching
7.0/10★★★★☆Visit Respondus -
Prometric Secure Proprietary Browser not yet scored
Best forEnterprise testing with integrated proctoring
A controlled exam desktop with authentication, proctoring, analytics, and support.
- Blocks copy and printing
- Blocks app switching
—not yet scoredVisit Prometric -
ExamOnline not yet scored
Best forOrganizations wanting lockdown plus proctoring
A broad assessment suite for organizations needing lockdown controls and proctoring.
- Blocks copy and printing
- Blocks screen capture
- Blocks app switching
—not yet scoredVisit ExamOnline -
Questionmark not yet scored
Best forCredentialing programs needing secure assessment
A broad assessment suite for organizations running secure, credentialed programs.
—not yet scoredVisit Questionmark -
ExamSoft not yet scored
Best forAssessment teams needing offline secure delivery
A broad assessment suite with secure offline delivery, mixed grading, and deep reporting.
—not yet scoredVisit ExamSoft -
Best forEducation teams needing full assessment workflows
A broad exam platform for education teams that need lockdown, grading, monitoring, and LMS connectivity.
3.0/10★★☆☆☆Visit Digiexam -
Best forProctored exams with a free starting tier
A broad proctoring suite with free plans, mobile support, and LMS integrations.
5.0/10★★☆☆☆Visit Think Exam -
Mercer | Mettl not yet scored
Best forEmployers needing assessment and proctoring breadth
A broad assessment platform with browser lockdown, proctoring and reporting for employers.
—not yet scoredVisit Mercer | Mettl -
PSI Secure Browser not yet scored
Best forProctored exams with strong basic lockdown
A focused lockdown browser for supervised exams with broad restriction and monitoring controls.
- Blocks copy and printing
- Blocks screen capture
- Blocks app switching
—not yet scoredVisit site -
Best forOpen-source assessment platforms with lockdown needs
A flexible assessment platform with lockdown-related workflows, self-hosting, and strong authoring depth.
5.0/10★★☆☆☆Visit TAO -
Best forRecruiting teams needing detailed exam controls
Detailed exam controls and recruiting integrations, limited to Windows and macOS.
- Blocks copy and printing
- Blocks screen capture
- Blocks app switching
8.0/10★★★★☆Visit XoLock -
Best forSmall teams wanting a free testing entry point
A broad assessment platform with a free starting point and paid testing capacity.
5.0/10★★☆☆☆Visit TestInvite -
Safe Exam Browser not yet scored
Best forInstitutions wanting free, open lockdown software
A free, configurable lockdown browser for institutions running web-based exams.
- Blocks copy and printing
- Blocks screen capture
- Blocks app switching
—not yet scoredVisit site -
Surpass SecureClient not yet scored
Best forSurpass customers needing resilient delivery
A lockdown client for Surpass Platform exams with offline delivery and response upload.
- Offline assessment mode
- Blocks app switching
—not yet scoredVisit Surpass -
Inspera Integrity Browser not yet scored
Best forInspera Assessment users needing offline exams
A configurable Windows and macOS lockdown browser for Inspera-based exams.
- Offline assessment mode
- Blocks app switching
—not yet scoredVisit Inspera
OpenLock Alternatives: Common Questions
What is the best alternative to OpenLock?
Respondus LockDown Browser: #1 in our Lockdown Browser Software ranking, with an editor score of 7.0 out of 10. A broad-platform exam browser for institutions using major LMS platforms.
Is there a free alternative to OpenLock?
Yes. ThinkExam, TAO, TestInvite and Safe Exam Browser have a free plan or a free tier.
OpenLock vs Each Alternative
| # | Tool | Free plan | Paid from | Supported platforms | Blocks app switching | Blocks copy and printing | Blocks screen capture | Score |
|---|---|---|---|---|---|---|---|---|
| not scored | OpenLock | Yes | None | Linux | Yes | Yes | Yes | — |
| 1 | Respondus LockDown Browser | No | — | Windows, macOS, ChromeOS, iPadOS | Yes | Yes | Yes | 7.0 |
| not scored | Prometric Secure Proprietary Browser | — | — | Windows, macOS | Yes | Yes | — | — |
| not scored | ExamOnline | — | — | Windows, macOS, Android, iOS | Yes | Yes | Yes | — |
| not scored | Questionmark | — | — | — | — | — | — | — |
| not scored | ExamSoft | — | — | — | — | — | — | — |
| 6 | Digiexam | No | — | — | — | — | — | 3.0 |
| 7 | ThinkExam | Yes | — | — | — | — | — | 5.0 |
| not scored | Mercer | Mettl | — | — | — | — | — | — | — |
| not scored | PSI Secure Browser | — | — | Windows, macOS, Ubuntu Linux | Yes | Yes | Yes | — |
| 10 | TAO | Yes | — | — | — | — | — | 5.0 |
| 11 | XoLock | No | — | Windows, macOS | Yes | Yes | Yes | 8.0 |
| 12 | TestInvite | Yes | — | — | — | — | — | 5.0 |
| not scored | Safe Exam Browser | Yes | None | Windows, macOS, iOS | Yes | Yes | Yes | — |
| not scored | Surpass SecureClient | — | — | Windows, macOS, iOS/iPad | Yes | — | — | — |
| not scored | Inspera Integrity Browser | — | — | Windows, macOS | Yes | — | — | — |
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026