8 Best Free & Open-Source Employee Monitoring Tools in 2026

Comparisons
By eMonitor Editorial Team
9 min read

Free tools cover real use cases, individual productivity, small-team time tracking, open-source self-hosted control. They don't replace paid monitoring at scale. Here are the 8 options worth considering and what each one actually does.

Quick Comparison Table

#ToolTypeBest forLimit / costG2 rating
1ActivityWatchOpen sourceSelf-hosted personal/team activityFree, self-hosted4.5 / 5
2Time ChampPaid SaaS platformFull monitoring and DLPFrom $3.90/user/mo4.9 / 5
3KimaiOpen sourceSelf-hosted timesheetFree, self-hosted4.4 / 5
4Toggl Track FreeSaaS free tier5-user time trackingFree up to 5 users4.6 / 5
5TimeCamp FreeSaaS free tierUnlimited-user time + projectsFree unlimited users4.6 / 5
6TocklerOpen sourcePersonal activity trackingFree desktop app4.0 / 5
7WorkraveOpen sourceRSI break remindersFree desktop4.2 / 5
8eMonitorPaid (7-day free trial)Try-before-buy enterprise features$3.90/user after trial4.7 / 5

1. ActivityWatch: Open-Source Self-Hosted Activity

ActivityWatch is the leading open-source automatic activity tracker. Cross-platform (Windows, macOS, Linux), MIT-licensed, with active development. Data stays on your machine; nothing leaves unless you push it.

Best for: developers, privacy-focused individuals, small open-source-friendly teams.

Limits: no team dashboards built-in; you'd build your own aggregation. Self-hosting overhead.

G2 rating: 4.5 / 5

2. Time Champ: Best Paid Step-Up From Free Tools

Time Champ is AI-powered employee monitoring software worth knowing when a team outgrows free or open-source tools that need self-hosting and ongoing upkeep. It delivers monitoring, time tracking, attendance, and data loss prevention as a managed platform, without the maintenance burden of a self-run stack.

Key features: Screenshots and screen recording, app and website tracking, AI productivity scoring, time tracking with automatic timesheets, attendance and scheduling, and data loss prevention with USB and file-transfer monitoring.

Pricing: Starter $3.90, Professional $6.90, Enterprise $13.90 per user per month (annual billing); free trial available.

G2 rating: 95% satisfaction on G2 (4.9 / 5 on Capterra, 13 reviews).

Pros: AI-native productivity scoring and anomaly detection; one platform for monitoring, time tracking, attendance, and DLP; transparent, employee-facing dashboards; affordable, with a free trial; responsive support and a 4.9 / 5 Capterra rating.

Cons: Generates payroll-ready exports rather than running payroll; no built-in video conferencing or CRM; smaller brand presence in Western markets than some incumbents; the platform breadth can exceed what very small teams need.

3. Kimai: Open-Source Timesheet

Kimai is a mature open-source timesheet application, self-hosted, designed for freelancers and agencies. Strong export options for invoicing.

Best for: agencies and freelancers comfortable with self-hosting; teams in data-residency-strict jurisdictions.

Limits: manual time entry primarily; no automatic activity tracking; admin overhead.

G2 rating: 4.4 / 5

4. Toggl Track Free: 5-User Time Tracking

Toggl Track's free tier covers up to 5 users with the same UX as the paid tiers. Often the right pick for solo founders and tiny teams.

Best for: solo and 2-5 person teams.

Limits: 5-user cap; no advanced reporting on free; no activity monitoring.

G2 rating: 4.6 / 5

5. TimeCamp Free: Unlimited Users + Projects

TimeCamp's free tier offers unlimited users with basic time tracking and project assignment. Strong value if you can live without integrations.

Best for: small teams needing time + project tracking on a zero budget.

Limits: integrations locked to paid; advanced reporting paid.

G2 rating: 4.6 / 5

6. Tockler: Personal Activity Tracking

Tockler is an open-source desktop app that tracks application activity locally on your machine. Useful for individuals who want to see their own time-on-tool breakdown without uploading anywhere.

Best for: individuals tracking personal productivity privately.

Limits: single-user; desktop-only; no team features.

G2 rating: 4.0 / 5

7. Workrave: RSI Break Reminders

Workrave isn't monitoring in the traditional sense, it's a free desktop tool that prompts breaks to prevent repetitive strain injury. Worth knowing for individual well-being use cases.

Best for: individuals concerned about RSI/computer wellness.

Limits: single-user; no productivity tracking.

G2 rating: 4.2 / 5

8. eMonitor: 7-Day Free Trial

If "free" is really "evaluate before paying," eMonitor's 7-day trial gives full access to enterprise-grade monitoring at no cost. After the trial, $3.90/user/month, the lowest-priced full-monitoring tier in the market.

Best for: teams evaluating paid monitoring before committing.

G2 rating: 4.7 / 5

Start the 7-day trial →

When Free Is Enough: and When It Isn't

Free works for: individuals, 2-5 person teams, time-tracking-only use cases, data-residency-strict jurisdictions willing to self-host.

Free breaks down at: 15+ employees, activity monitoring needs, integration-heavy stacks, compliance use cases requiring audit-grade retention.

For deeper free-vs-paid decision logic, see open-source employee monitoring guide.

Frequently Asked Questions

Fully free monitoring tools?

ActivityWatch (open source). Clockify and TimeCamp have unlimited-user free tiers. Toggl Track free for 5 users. Kimai is open-source timesheet. None match paid-tool activity depth.

What's the catch?

Limited activity tracking, self-hosting overhead, limited team management. Works for small/individual use; doesn't scale.

Is open-source secure?

Self-hosted can be more secure than SaaS, data stays on your infrastructure. Trade-off: you operate the security yourself.

Can open-source scale to 50 people?

ActivityWatch and Kimai can but require self-hosting maintenance. Most teams past 30 find paid tools cheaper than staff time.

Free-tier limits from paid tools?

Capped users, no activity monitoring, no integrations, limited reporting. Designed to encourage upgrade at scale.

Ready for More Than Time Tracking?

Try eMonitor free for 7 days. Activity tracking, productivity analytics, DLP, capacity planning, all included.