Import2 has built connectors for 50+ SaaS apps, so that you can export data from virtually any source database. You can find the complete listing for both CRM and helpdesk apps below.
CRM
Act!
act
ActiveCampaign
activecampaign
Affinity
affinity
AgileCRM
agilecrm
Attio
attio
Capsule CRM
capsule
Close
close
Copper
copper
Firmao
firmao
FowCRM
fowcrm
GoHighLevel
gohighlevel
Highrise
highrise
HubSpot
hubspot
Insightly
insightly
Keap
keap
Less Annoying CRM
lessannoyingcrm
Microsoft Dynamics CRM
dynamics
Nimble
nimble
Nutshell
nutshell
Onepage
onepage
Pipedrive
pipedrive
Pipeline CRM
pipeline
Redtail CRM
redtail
Salesforce
salesforce
Streak
streak
Sugar CRM
sugar
Suite CRM
suite
Wealthbox
wealthbox
Zendesk Sell
zendesksell
Zoho CRM
zohocrm
Helpdesk
FogBugz
Freshdesk
Fusedesk
Gmail
Groove
Happyfox
Help Scout
HelpSpot
HubSpot Service Hub
Intercom
JIRA Service Desk
Kayako Classic
Kustomer
LiveChat
Parature
Reamaze
Request Tracker
Salesforce Service Cloud
Samanage
Team Support
Tenderapp
Trello
Uservoice
Zendesk
Marketing
Active Campaign
Constant Contact
HubSpot
Mailchimp