Open source Forms & surveys

Formbricks

98 · Healthy

Survey and experience-management platform for in-app, website and link surveys.

Free core, paid extrasAGPL-3.0★ 13kLast commit yesterday

HeyForm

79 · Stable

Conversational form builder with logic jumps, integrations and a hosted option.

AGPL-3.0★ 9.0kLast commit 2 days ago

OpnForm

76 · Stable

No-code form builder with conditional logic, file uploads, integrations and unlimited submissions.

Free core, paid extrasAGPL-3.0★ 3.8kLast commit 2 days ago

LimeSurvey

75 · Stable

Mature survey tool used heavily in research, with complex question types and quotas.

GPL-2.0-or-later★ 3.8kLast commit yesterday

OhMyForm

Archived

Drag-and-drop form builder with response analytics.

AGPL-3.0Relicensed 2020★ 2.9kLast commit 1.9 years 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.

Typebot

75 · Stable

Visual builder for chatbot-style conversational forms that embed anywhere.

Free, no resellingFunctional Source License 1.1Relicensed 2024★ 11kLast commit 3 days ago

LimeSurvey

Mature survey tool used heavily in research, with complex question types and quotas.

GitHub limesurvey.org

Alternative to

SurveyMonkey Qualtrics Survicate Zonka Feedback

Will it still be around?

Stable

Score 75/100

Details

Can a business use it freely?

GPL-2.0-or-later · open source (copyleft)

Details

Flat Rate Deploy

Monthly cost

LimeSurvey on OpenTools: $15
SurveyMonkey: ~~$750~~

You save each month

$735/mo

98% less than today

Saving from month one

You save

Over 3 years: $26,460
In year one: $8,820

List price checked 7 Oct 2026 · Source · Disclaimer

Bespoke

We set up LimeSurvey for you. You pay once.

You pay $750 a month for SurveyMonkey. Setup is $1,200, paid once, and after that LimeSurvey runs for about $162 a month (your server, about $12, plus about $150 of maintenance), so it pays for itself in month 3.

Pays for itself: Month 3$5,856 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 SurveyMonkey, 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 monthSurveyMonkeyBespoke LimeSurvey

Show as a table

Month	SurveyMonkey	Bespoke	Saved so far
Today	$0	$1,200	–
Month 3	$2,250	$1,686	$564
Month 6	$4,500	$2,172	$2,328
Month 9	$6,750	$2,658	$4,092
Month 12	$9,000	$3,144	$5,856
Month 18	$13,500	$4,116	$9,384
Month 24	$18,000	$5,088	$12,912
Month 30	$22,500	$6,060	$16,440
Month 36	$27,000	$7,032	$19,968

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: 75/100

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

Score v2 · How it works

Activity

45% weight

100/100

Last commit yesterday (100/100).
1527 commits in the past 12 months (100/100).
No GitHub releases published, so release cadence is not scored.

Bus factor

30% weight

36/100

Top contributor wrote 73% of the last 95 commits (past 12 months).
13 people authored those commits.

Responsiveness

25% weight

Not scored; its weight is shared by the other parts.

Issues are disabled on GitHub, so this part is not scored.

License

GPL-2.0-or-later · Open source (copyleft)

For LimeSurvey

Standard GPL: if you distribute modified versions, you must share the source under the GPL.

GPL-2.0-or-later · Open source (copyleft). OSI-approved license that requires sharing changes under the same license when you distribute (AGPL: also when you offer it over a network).

License text checked 2026-10-07 · Read it

GitHub activity

Stars: 3.8k
Forks: 1.1k
Commits, 12 mo: 1.5k; last yesterday
Releases: –; none on GitHub
Contributors: 241; 13 in last 95 commits
Issues: Off; disabled on GitHub

Snapshot from 2026-10-08

Top contributors

Points for pull requests merged into LimeSurvey and reviews of them since 10 October 2025. Building something another user asked for earns more. 33 people have points on LimeSurvey in all.

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