Alternatives
10 best Paca alternatives
Tools that cover the same task as Paca (project management), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Paca starts at
- Not listed
- Free plan
- Free plan
- API
- API unknown
- 01
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.
- 02
Circle Chat
CircleChat is open-source team chat where AI agents are teammates in the same workspace. You state a goal, a planner agent breaks it into tasks with acceptance criteria, work routes to skill-matched agents, an independent judge verifies artifacts before completion, and risky actions pause for human approval with a full audit trail.
Best for: Software teams that want Slack-style chat where multiple AI agents plan, execute, and verify work under human approval instead of opaque black-box automation.
- 03
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.
- 04
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.
- 05
Activepieces
Activepieces is an open automation platform for building AI agents, flows, tables, and MCP integrations with a visual builder and cloud or self-hosted deployment. Teams use it to connect apps, run chat-to-automation workflows, and embed white-label automation in their products.
Best for: Builders and ops teams automating internal workflows, plus product teams embedding automation under their own brand.
- 06
Airtop
Airtop compiles natural-language automations into deterministic web agents that log into apps, extract data, and run on schedules with self-healing retries. Agent Builder, Mark for marketers, and integrations cover CRM, ads, spreadsheets, and legacy portals under a credit-based SaaS model.
Best for: Go-to-market, ops, and finance teams automating browser workflows where APIs are missing or incomplete.
- 07
Dify
Dify is a platform for building production-ready agentic workflows, RAG pipelines, and AI apps with visual orchestration, knowledge bases, plugins, and multi-model support. It offers Dify Cloud SaaS plus self-hosted Community Edition and enterprise deployment options for teams moving from prototype to production.
Best for: Developers and teams building agents, chat apps, and knowledge pipelines who want collaborative workspace deployment on cloud or private infrastructure.
- 08
Documenso
Documenso is an open-source electronic signature platform positioned as a DocuSign alternative. Users sign documents, build templates and workflows, and integrate signing into other tools via hosted or self-hosted deployments.
Best for: Individuals and teams needing modern e-signatures with open-source deployment options.
- 09
ClickUp
ClickUp is an all-in-one work hub with projects, chat, docs, whiteboards, time tracking, and Brain AI agents. It aims to replace many SaaS apps with shared context, automations, and AI workflows for teams of any size.
Best for: Teams consolidating project management, chat, and AI assistance into one workspace instead of many subscriptions.
- 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.
Paca alternatives: common questions
What is the best free alternative to Paca?
Backlog has an ongoing free plan. Pricing data lists a Free plan that is always free with core task tracking for small teams. Free plans change, so check the vendor before relying on one.
What is the cheapest Paca alternative?
ClearFlask has the lowest listed starting price at $9/mo.
Which Paca alternatives have an API?
Backlog, EspoCRM, Activepieces, Airtop, Dify mention API or developer access.