Alternatives
10 best ZenTao alternatives
Tools that cover the same task as ZenTao (project management), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- ZenTao starts at
- Not listed
- Free plan
- Free plan
- API
- API unknown
- 01
EspoCRM
EspoCRM is an open-source customer relationship platform for managing contacts, sales pipelines, support cases, and marketing activity in one place. The vendor offers a self-hosted edition you can customize with workflows, automation, and extensions, plus a managed EspoCRM Cloud service with US or EU hosting.
Best for: Small and mid-sized teams that want a customizable CRM they can host themselves or run on EspoCRM’s managed cloud.
- 02
Salesforce Service Cloud
Salesforce Service Cloud is customer service software that combines case management, self-service, analytics, and Agentforce AI agents on one CRM platform. It supports contact centers, field service, IT service, and AI-assisted support workflows for large organizations.
Best for: Customer support, IT, and operations teams that need CRM-backed service workflows with optional AI agents across channels
- 03
freedcamp.com
Freedcamp is a project management and collaboration suite with tasks, discussions, calendars, milestones, time tracking, and wiki-style pages. It targets teams that want unlimited projects and storage on a free base plan with optional paid tiers for advanced business features.
Best for: Small teams and organizations coordinating projects who need a free core PM tool with optional paid upgrades per user.
- 04
Ever Gauzy
Ever Gauzy is an open business management platform combining ERP, CRM, HRM, and project management modules. Teams can choose self-hosted editions or Gauzy Cloud subscriptions, with public-roadmap messaging that some modules may still be incomplete while the platform evolves.
Best for: Growing companies that want an open-source operations hub covering HR, CRM, projects, and accounting in one stack.
- 05
NodeBB
NodeBB is modern forum software offered as managed cloud hosting with tiered pageview limits or as self-hosted open source. Paid cloud plans add SSL, custom domains, plugin support, backups, and priority support for communities from hobby groups to large organizations.
Best for: Community managers who want a hosted NodeBB forum without operating their own infrastructure.
- 06
coveralls.io
Coveralls tracks test coverage history and statistics for software repositories, highlighting untested code so teams can ship with more confidence. It integrates with GitHub, Bitbucket, and GitLab, stays free for open-source repos, and sells paid cloud plans for private repositories and enterprise hosting.
Best for: Engineering teams that want continuous coverage reporting on private repos or free coverage tracking for open-source projects.
- 07
Backlog
Backlog is Nulab’s project management SaaS for issue tracking, Kanban boards, Gantt charts, wikis, and version control integrations. It targets software and cross-functional teams coordinating tasks, releases, and documentation in one workspace with AI-assisted features on the marketing site.
Best for: Development and product teams replacing spreadsheets with integrated issue tracking, boards, and lightweight PM tooling.
- 08
Flagsmith
Flagsmith is an open-source feature flag and remote config service for releasing software safely. Teams can self-host or use Flagsmith Cloud with tiered API call limits, experimentation tools, and enterprise governance features as they grow past the free allocation.
Best for: Product and platform teams managing feature flags, segments, and experiments across cloud or self-hosted deployments.
- 09
Confident AI
Confident AI is an enterprise platform for standardizing LLM evaluation, observability, red teaming, and governance. Teams turn production traces into test cases, run evals in CI/CD, monitor live systems, and enforce shared quality bars across roles.
Best for: Engineering, product, QA, and domain expert teams shipping LLM features who need shared eval and observability workflows.
- 10
ClearFlask
ClearFlask is an open-source customer feedback platform for collecting ideas, prioritizing roadmaps, and publishing announcements. Teams can run the Apache-licensed stack self-hosted or use ClearFlask Cloud, with AI-assisted feedback analysis on the marketing site.
Best for: Product teams that want a feedback portal, public roadmap, and changelog without building tooling from scratch.
ZenTao alternatives: common questions
What is the best free alternative to ZenTao?
EspoCRM has an ongoing free plan. The open-source edition is free to download and self-host; EspoCRM Cloud plans include a free trial before paid subscription. Free plans change, so check the vendor before relying on one.
What is the cheapest ZenTao alternative?
freedcamp.com has the lowest listed starting price at $2.49/mo.
Which ZenTao alternatives have an API?
EspoCRM, Salesforce Service Cloud, Backlog, Flagsmith, Confident AI mention API or developer access.