Open source Internal tools & automation

Kestra

100 · Healthy

Event-driven orchestration platform that runs workflows declared in YAML, with a UI, scheduling and hundreds of plugins.

Free to useApache-2.0★ 29kLast commit yesterday

Trigger.dev

95 · Healthy

Platform for background jobs, workflows and AI agents written in TypeScript, with retries, queues and run history.

Free to useApache-2.0★ 17kLast commit yesterday

ToolJet

93 · Healthy

Low-code platform for internal tools and workflows with many data-source connectors.

Free core, paid extrasAGPL-3.0Relicensed 2021★ 41kLast commit 3 days ago

Appsmith

91 · Healthy

Low-code builder for admin panels, dashboards and internal CRUD apps.

Free to useApache-2.0★ 41kLast commit yesterday

Activepieces

91 · Healthy

Workflow automation with a visual builder and TypeScript-based integration pieces.

Free core, paid extrasMIT★ 25kLast commit yesterday

Budibase

88 · Healthy

Low-code platform for forms, portals and approval apps on top of your databases.

Free core, paid extrasGPL-3.0★ 28kLast commit yesterday

Mathesar

86 · Healthy

Spreadsheet-like interface for viewing, editing and querying data directly in your Postgres database.

GPL-3.0★ 5.1kLast commit 3 months ago

Windmill

85 · Healthy

Developer platform that turns scripts into workflows, internal UIs and scheduled jobs.

Free core, paid extrasAGPL-3.0★ 18kLast commit yesterday

Baserow

83 · Healthy

No-code database and app builder with a spreadsheet interface.

Free core, paid extrasMIT★ 6.1kLast commit yesterday

Refine

81 · Healthy

React framework for building admin panels, dashboards and internal tools on top of any backend.

Free to useMIT★ 36kLast commit 29 days ago

Grist

78 · Stable

Relational spreadsheet with Python formulas, custom widgets and fine-grained access rules.

Free to useApache-2.0★ 12kLast commit 2 days ago

APITable

74 · Stable

Visual database with grid, kanban and gallery views, forms and an API-first design.

AGPL-3.0★ 16kLast commit 34 days ago

Teable

62 · Stable

Spreadsheet-style database on Postgres with views, forms, automations and real-time collaboration.

AGPL-3.0★ 22kLast commit 39 days ago

Automatisch

36 · At risk

Workflow automation that connects apps through triggers and actions, self-hosted so data stays on your servers.

Free core, paid extrasAGPL-3.0★ 14kLast commit 9 months ago

Source-available and unverified licenses

The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.

n8n

100 · Healthy

Node-based workflow automation with hundreds of integrations and code steps.

Internal use onlySustainable Use License 1.0Relicensed 2022★ 207kLast commit yesterday

NocoBase

99 · Healthy

Plugin-based no-code platform for building internal business systems on your own data model, with AI assistants.

Free, no resellingApache-2.0 + extra terms★ 25kLast commit yesterday

Directus

97 · Healthy

Data platform that puts an admin app and REST/GraphQL APIs on top of any SQL database.

Free, no resellingMonospace Sustainable Core License 1.0Relicensed 2026★ 38kLast commit yesterday

NocoDB

91 · Healthy

Spreadsheet-style interface over SQL databases, positioned as an Airtable replacement.

Internal use onlySustainable Use License 1.0Relicensed 2026★ 65kLast commit yesterday

Refine

React framework for building admin panels, dashboards and internal tools on top of any backend.

GitHub refine.dev

Alternative to

Retool AppSheet OutSystems Mendix

Will it still be around?

Healthy

Score 81/100

Details

Can a business use it freely?

Free to use

MIT · open source (permissive)

Details

Flat Rate Deploy

Monthly cost

Refine on OpenTools: $15
Retool: ~~$375~~

You save each month

$360/mo

96% less than today

Saving from month one

You save

Over 3 years: $12,960
In year one: $4,320

List price checked 7 Oct 2026 · Source · Disclaimer

Bespoke

We set up Refine for you. You pay once.

You pay $375 a month for Retool. Setup is $1,200, paid once, and after that Refine runs for about $162 a month (your server, about $12, plus about $150 of maintenance), so it pays for itself in month 6.

Pays for itself: Month 6$1,356 saved in year one
Setup, paid once: $1,200fixed price, agreed up front
Maintenance: $150/houronly when you ask for it

What we do

Data migrationRecords, files and history moved from Retool, with a test run before the cut-over
ConfigurationWorkflows, custom fields, roles, permissions and SSO set up for your team
IntegrationsConnected to your CRM, Slack, accounting tools and APIs
MaintenanceUpdates, fixes and admin help when you ask, at $150 an hour
Paid editionsThe vendor's paid features, enabled, with the licence at cost
ComplianceData residency, audit logs, data processing agreements, security questionnaires
TrainingAn admin walkthrough, a runbook and sessions for your team

Total spent, month by monthRetoolBespoke Refine

Show as a table

Month	Retool	Bespoke	Saved so far
Today	$0	$1,200	–
Month 3	$1,125	$1,686	–
Month 6	$2,250	$2,172	$78
Month 9	$3,375	$2,658	$717
Month 12	$4,500	$3,144	$1,356
Month 18	$6,750	$4,116	$2,634
Month 24	$9,000	$5,088	$3,912
Month 30	$11,250	$6,060	$5,190
Month 36	$13,500	$7,032	$6,468

Servers run on your own cloud account, paid to your provider. Running cost counts about 1 hours of maintenance a month; you're billed only for hours you ask for. Migration and the other activities are quoted with the setup.

Get a fixed quote

Health score: 81/100

Healthy · activity, bus factor and issue responsiveness, from GitHub

Score v2 · How it works

Activity

45% weight

100/100

Last commit 29 days ago (100/100).
360 commits in the past 12 months (100/100).
50+ releases in the past 12 months (100/100).

Bus factor

30% weight

43/100

Top contributor wrote 68% of the last 93 commits (past 12 months).
15 people authored those commits.

Responsiveness

25% weight

92/100

99% of all issues are closed (22 open, 1736 closed) (100/100).
26 of 30 recent issues got a reply or were closed (87/100).

License

Free to use

MIT · Open source (permissive)

What you need to do

Use, change, host and sell it for any purpose, commercial included, with no license to buy. Keep the copyright notice.

MIT License · Open source (permissive). OSI-approved license with few conditions beyond keeping the copyright notice.

Detected by GitHub as MIT.

GitHub activity

Stars: 36k
Forks: 3.2k
Commits, 12 mo: 360; last 29 days ago
Releases, 12 mo: 50+; last 6 months ago
Contributors: 323; 15 in last 93 commits
Open issues: 22; 1.7k closed

Snapshot from 2026-10-09 · Funding: github

Top contributors

Points for pull requests merged into Refine and reviews of them since 10 February 2026 (older history is still loading). Building something another user asked for earns more. 19 people have points on Refine in all.

Bespoke · we set it up$1,200once Flat Rate Deploy$15/mo