Optimizely offers many options for extending solutions through APIs, add-on applications, and code contributions, developed by Optimizely, partners, or community members. Some are free, while others require additional licenses.
The add-ons and integrations listed here require separate installation and configuration. Some of them are available for free, and some require a specific license.
## Install
Most apps and integrations involve subscribing to a service, and/or installation of NuGet packages in Visual Studio. See information for each app and integration for configuration and setup.
## Version compatibility
See [Add-ons platform compatibility](🔗) for supported product versions. See also [Optimizely .NET 5 Add-ons](🔗) for information about add-ons and integrations that Optimizely developed to .NET 5.
## Apps and integration by area
Analytics
[Google analytics for Optimizely](🔗)
[Optimizely Live Monitor](🔗)
Digital Asset Management (DAM)
[Optimizely Connect for SharePoint](🔗)
Headless
[Optimizely Content Management API](🔗)
[Optimizely Content Delivery API](🔗)
Marketing & interaction
[Optimizely Forms](🔗)
[Optimizely Connect for Campaign](🔗)
[Marketing automation (MA)](🔗)
[Connect for Acoustic (Silverpop)](🔗)
[Connect for Delivra](🔗)
[Connect for Eloqua](🔗)
[Connect for HubSpot](🔗)
[Connect for Marketo](🔗)
[Connect for Microsoft Dynamics CRM](🔗)
[Connect for Pardot](🔗)
[Connect for Salesforce](🔗)
[Connect for Salesforce Marketing Cloud (ExactTarget)](🔗)
Payments
[TokenEx](🔗)
[Optimizely DIBS payment provider](🔗)
[Optimizely PayPal payment provider](🔗)
[Optimizely DataCash payment provider](🔗)
Personalization
[Optimizely Visitor Group Criteria Pack](🔗)
Product Information Mgmt (PIM)
Optimizely PIM
[Optimizely Service API](🔗)
Search & navigation
[Powerslice for Optimizely CMS](🔗)
Social
[Optimizely Community API](🔗)
[Optimizely Social Reach](🔗)
Tax & compliance
[AvaTax tax compliance](🔗)
Test & optimize
[Optimizely Self-Optimizing Block](🔗)
Utilities
[Optimizely Spellchecker for TinyMCE](🔗)
[Optimizely Languages](🔗)
[Optimizely PDF Preview](🔗)