Alternatives
Best Open Policy Agent alternatives in 2026
Data compiled by Toolradar Updated How we rate
Cite this list: Toolradar, best Open Policy Agent alternatives 2026, toolradar.com/alternatives/open-policy-agent
5 direct alternatives to Open Policy Agent and 3 more tools in the same category, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Quick answer
- Puppet is the top alternative to Open Policy Agent on our list, followed by FusionAuth and SuperTokens.
- 4 of the 8 alternatives have a free plan, starting with FusionAuth.
- Highest rated: NinjaOne, 4.7 out of 5 from 3,747 ratings, Mar 2026.
- 8 alternatives
- 5 direct
- 4 with a free plan
Top 3 alternatives to Open Policy Agent
Puppet
#1 Top pickInfrastructure automation and configuration management
Pricing
Contact sales
4.2 /5 on G2 · 761 ratings, Sep 2026
Our take
Best overall
FusionAuth
#2Customer identity and access management
Starting price
From $162 /mo
Cheapest paid plan, monthly, as of November 2026
4.6 /5 across SourceForge and G2 · 161 ratings, Sep 2026
Our take
Best free tier
SuperTokens
#3Open-source user authentication
Starting price
From $100 /mo
Cheapest paid plan, monthly, as of November 2026
4.9 /5 across SourceForge, G2 and Capterra · 5 ratings, Sep 2026
Our take
Highest rated
Open Policy Agent vs 8 alternatives
| Tool | Starting price (Nov 2026) | Free plan | Rating | Fit |
|---|---|---|---|---|
 | Price: Free | Free plan: Yes | n/a | |
| Price: Contact sales | Free plan: No | 4.2 out of 5, from 761 ratings on G2 (761) | Direct alternative |
| Price: $162/mo | Free plan: Yes | 4.6 out of 5, from 161 ratings across SourceForge and G2 (161) | Direct alternative |
| Price: $100/mo | Free plan: Yes | 4.9 out of 5, from 5 ratings across SourceForge, G2 and Capterra (5) | Direct alternative | |
| Price: Free | Free plan: Yes | n/a | Direct alternative | |
 | Price: Free | Free plan: Yes | n/a | Direct alternative |
 | Price: Contact sales | Free plan: No | 4.5 out of 5, from 2,341 ratings across G2 and Capterra (2,341) | Same category as Open Policy Agent |
 | Price: $3.49/mo | Free plan: No | 4.0 out of 5, from 18,319 ratings across G2, Capterra, SourceForge and more (18,319) | Same category as Open Policy Agent |
 | Price: $1.5/mo | Free plan: No | 4.7 out of 5, from 3,747 ratings on G2 (3,747) | Same category as Open Policy Agent |
Why people consider alternatives to Open Policy Agent
Open Policy Agent (OPA) is a general-purpose policy engine that decouples policy decision-making from application logic. It allows organizations to define and enforce policies consistently across various components of their software stack,…
Teams most often switch away when one of these starts to bite:
- A feature or quota ceiling that a paid specialist covers and this free tool does not.
- Missing integrations with the rest of your stack.
- Performance or scale limits as your needs grow.
- A specific feature gap you have hit in security.
The 5 direct alternatives below cover the same core job (security) with different trade-offs. The 3 tools marked "Same category as Open Policy Agent" fit the category but replace Open Policy Agent less directly.
Open Policy Agent by the numbers
| Metric | Open Policy Agent | Peer median | Position (1 is best) |
|---|---|---|---|
| Free plan | Yes | 17% have one | n/a |
| Listed as an alternative to | 7 tools | 2 | #36 of 224 (joint) |
| Compare-page visits, last 30 days | 22 visits | 30 | #23 of 26 tools with 20+ compare-page visits |
Listed as an alternative to: #40 on 2026-10-16 to #36 on 2026-11-03 (rank among 224 tools, 1 is best).
Each position is counted among the tools that have data for that row, as noted under it. All Compliance data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.
Cite this: Toolradar, “Open Policy Agent by the numbers”, Nov 2026.
Security leaderboards from Toolradar data
Toolradar ranks Security tools on one measure at a time, only where at least 8 tools have data. As of Nov 2026.
Lowest entry price, plans with no stated unit
Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.
Counted among 160 tools with no stated price unit, verified price.
| # | Tool | Entry plan |
|---|---|---|
| 1 | HashiCorp Vault | $0.50/mo, billed monthly |
| 2 | Runbox | $0.66/mo, billed yearly |
| 3 | uTerminal | $0.83/mo, billed yearly |
| 4 | Alive | $0.99/mo, billed monthly |
| 5 | Addy.io | $1/mo, billed yearly |
Lowest entry price, per-user plans
Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.
Counted among 42 tools priced per user, verified price.
| # | Tool | Entry plan |
|---|---|---|
| 1 | Zoho Mail | $1/user/mo, billed monthly |
| 2 | AccessOwl | $1.50/user/mo, billed monthly |
| 3 | Corma | $3/user/mo, billed monthly |
| 3 | Duo Security | $3/user/mo, billed monthly |
| 3 | Fastmail | $3/user/mo, billed monthly |
Lowest entry price, flat team plans
Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.
Counted among 23 tools priced as a flat team plan, verified price.
| # | Tool | Entry plan |
|---|---|---|
| 1 | Annature | $1.75/mo flat, billed yearly |
| 2 | Enpass | $1.99/mo flat, billed monthly |
| 3 | Hide.me | $2.50/mo flat, billed monthly |
| 4 | 1Password | $3.99/mo flat, billed monthly |
| 5 | Malwarebytes | $5/mo flat, billed yearly |
Most visited, last 30 days
Distinct visitor sessions on the tool's Toolradar page over the last 30 days, with bots excluded by our analytics. A session counts once however many times it reloads the page.
Counted among 11 tools with 50+ visits.
| # | Tool | Visits |
|---|---|---|
| 1 | Proton VPN | 1,427 visits |
| 2 | Hide.me | 834 visits |
| 3 | Windscribe VPN | 639 visits |
| 4 | Opera | 619 visits |
| 5 | ZoogVPN | 365 visits |
Most media coverage, last 30 days
Number of distinct articles published in the last 30 days by independent press, blogs and newsletters that mention the tool. A story carried by several outlets counts once; the vendor's own blog, review sites, forums and republishing sites do not count.
Counted among 33 tools mentioned in the last 30 days.
| # | Tool | Articles |
|---|---|---|
| 1 | ServiceNow | 21 articles |
| 2 | ConnectWise | 12 articles |
| 3 | GitLab | 11 articles |
| 4 | BitGo | 9 articles |
| 5 | Harmonic Security | 5 articles |
A position exists only when at least 8 tools have data for that metric. 233 of 737 Security tools have a verified price; the others publish none we could read (often "contact sales"). Advertising and placement fees are not inputs to any position. Visit counts include visits from every source. How we compute this. Cite this: Toolradar, “Security leaderboards”, Nov 2026. Data licensed CC BY 4.0. All Security statistics.
8 alternatives to Open Policy Agent
Direct alternatives come first, ranked by G2 and Capterra ratings, media mentions, and editor review. Tools marked "Same category as Open Policy Agent" follow, ranked the same way.
- 1
Puppet
PaidInfrastructure automation and configuration management
4.2 /5 on G2 · 761 ratings, Sep 2026
Price not published
- 2
FusionAuth
Free planCustomer identity and access management
4.6 /5 across SourceForge and G2 · 161 ratings, Sep 2026
From $162/mo flat, billed monthly; free plan available
- 3
SuperTokens
Free planOpen-source user authentication
4.9 /5 across SourceForge, G2 and Capterra · 5 ratings, Sep 2026
From $100/mo; free plan available
- 4
Keycloak
100% freeOpen-source identity and access management
Free
- 5
Authelia
100% freeOpen-source authentication and authorization server
Free
- 6
ServiceNow
Paid Battle-tested at scaleDigitize and automate workflows for IT, HR, and customer service
4.5 /5 across G2 and Capterra · 2,341 ratings, Sep 2026
Price not published
Same category as Open Policy Agent
- 7
NordVPN
Paid Battle-tested at scaleOnline VPN service for privacy
4.0 /5 across G2, Capterra, SourceForge and more · 18,319 ratings, Sep 2026
From $3.49/mo, billed monthly
Same category as Open Policy Agent
- 8
NinjaOne
Paid Battle-tested at scaleThe easiest IT management platform for unified endpoint management and IT operations.
4.7 /5 on G2 · 3,747 ratings, Mar 2026
From $1.50/endpoint/mo, billed monthly
Same category as Open Policy Agent
Frequently asked questions
What is the best alternative to Open Policy Agent?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Open Policy Agent are Puppet, FusionAuth, SuperTokens. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Open Policy Agent?
Open Policy Agent is already 100% free (no paid upgrade path). Keycloak is another fully free option listed here (Open-source identity and access management). Freemium tools on this list have a free tier plus paid plans; they are not the same as 100% free.
Why do people look for Open Policy Agent alternatives?
Common reasons teams switch away from Open Policy Agent even though it is free: missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in security. The alternatives on this page solve the same core problem with a different feature set.
Side-by-side comparisons
In-depth comparison pages for Open Policy Agent versus each alternative.
Review Open Policy Agent, get a free AI guide
Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.
Still considering Open Policy Agent?
See the full review, pricing breakdown, and community feedback before you decide.