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[Validation & Sanitization](/categories/validation) 4. / 5. medienreaktor/form\_double\_opt\_in Abandoned → [linawolf/form\_double\_opt\_in](/?search=linawolf%2Fform_double_opt_in)Typo3-cms-extension[Validation & Sanitization](/categories/validation) medienreaktor/form\_double\_opt\_in =================================== Double Opt-In for the TYPO3 CMS Form Framework 13.2.3(1y ago)1413.3k23[6 issues](https://github.com/linawolf/form_double_opt_in/issues)GPL-2.0-or-laterPHP Since Sep 24Pushed 9mo agoCompare [ Source](https://github.com/linawolf/form_double_opt_in)[ Packagist](https://packagist.org/packages/medienreaktor/form_double_opt_in)[ RSS](/packages/medienreaktor-form-double-opt-in/feed)WikiDiscussions main Synced 6d ago READMEChangelog (10)Dependencies (10)Versions (19)Used By (0) Form Double Opt-In ================== [](#form-double-opt-in) TYPO3 Extension adding Double Opt-In to the TYPO3 CMS Form Framework [Documentation](https://docs.typo3.org/p/linawolf/form_double_opt_in/main/en-us/) ### Health Score 42 — FairBetter than 88% of packages Maintenance43 Moderate activity, may be stable Popularity32 Limited adoption so far Community20 Small or concentrated contributor base Maturity63 Established project with proven stability Bus Factor2 2 contributors hold 50%+ of commits How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~107 days Recently: every ~40 days Total 18 Last Release 277d ago Major Versions 2.1.1 → 3.0.02023-03-23 3.0.0 → 11.0.02023-04-29 11.0.0 → 12.0.02024-10-08 12.0.0 → 13.0.02024-10-23 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/3976405?v=4)[Daniel Kestler](/maintainers/danielkestler)[@danielkestler](https://github.com/danielkestler) --- Top Contributors [![linawolf](https://avatars.githubusercontent.com/u/48202465?v=4)](https://github.com/linawolf "linawolf (60 commits)")[![danielkestler](https://avatars.githubusercontent.com/u/3976405?v=4)](https://github.com/danielkestler "danielkestler (38 commits)")[![hojalatheef](https://avatars.githubusercontent.com/u/144037456?v=4)](https://github.com/hojalatheef "hojalatheef (20 commits)")[![t3brightside](https://avatars.githubusercontent.com/u/771791?v=4)](https://github.com/t3brightside "t3brightside (8 commits)")[![froemken](https://avatars.githubusercontent.com/u/2532472?v=4)](https://github.com/froemken "froemken (6 commits)")[![spoonerWeb](https://avatars.githubusercontent.com/u/1793083?v=4)](https://github.com/spoonerWeb "spoonerWeb (4 commits)")[![jonnsn](https://avatars.githubusercontent.com/u/575971?v=4)](https://github.com/jonnsn "jonnsn (2 commits)")[![Rathch](https://avatars.githubusercontent.com/u/35492663?v=4)](https://github.com/Rathch "Rathch (2 commits)")[![medarob](https://avatars.githubusercontent.com/u/33951787?v=4)](https://github.com/medarob "medarob (2 commits)")[![sbusemann](https://avatars.githubusercontent.com/u/3660954?v=4)](https://github.com/sbusemann "sbusemann (1 commits)")[![lochmueller](https://avatars.githubusercontent.com/u/3907126?v=4)](https://github.com/lochmueller "lochmueller (1 commits)") --- Tags formtypo3typo3-extension ### Code Quality Static AnalysisPHPStan Type Coverage Yes ### Embed Badge ![Health badge](/badges/medienreaktor-form-double-opt-in/health.svg) ``` [![Health](https://phpackages.com/badges/medienreaktor-form-double-opt-in/health.svg)](https://phpackages.com/packages/medienreaktor-form-double-opt-in) ``` ### Alternatives [pagemachine/typo3-formlog Form log for TYPO3 23238.6k8](/packages/pagemachine-typo3-formlog)[friendsoftypo3/content-blocks TYPO3 CMS Content Blocks - Content Types API | Define reusable components via YAML 103519.9k53](/packages/friendsoftypo3-content-blocks)[eliashaeussler/typo3-form-consent Extension for TYPO3 CMS that adds double opt-in functionality to EXT:form 1595.5k](/packages/eliashaeussler-typo3-form-consent)[netresearch/rte-ckeditor-image Image support in CKEditor for the TYPO3 ecosystem - by Netresearch 611.1M8](/packages/netresearch-rte-ckeditor-image)[apache-solr-for-typo3/solr Apache Solr for TYPO3 - Apache Solr for TYPO3 is the enterprise search server you were looking for with special features such as Faceted Search or Synonym Support and incredibly fast response times of results within milliseconds. 1493.2M48](/packages/apache-solr-for-typo3-solr)[yoast-seo-for-typo3/yoast_seo Yoast SEO for TYPO3 511.7M9](/packages/yoast-seo-for-typo3-yoast-seo) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)