Google Contacts, Google Phone, Free Address Book, Sync.ME, LeadBrowser, BusyContacts, UpLead, Blacktel.io, vCard Studio, Kylook, Drupe, CircleBack, es-Builder, Open Contacts, Contact PEA, Clearbit Connect, Microsoft People, Contactizer Pro, Memotoo, Closely, Plaxo, OS9 Phone Dialer, E-Z Contact Book, Kontact - KAddressBook, Truedialer, Unlimited Call Log, GlipMe, Daily Newly Domains Database, Philasmicos Contacts 2, FCorp ID Book, Discoverly, Apility.io, MailGet Enricher, VENTURITY, Ampliz Sales Buddy, Contacts Optimizer, Windows Contacts, FaceToCall, Marcom Robot Data Enrichment Engine, STAR My Productivity Tools, Junkyard Panda, Zoho ContactManager, AtSign, Hoiio Live, O-Sync, OLContactSync, Relationship, AddressBookSync, Gardener.gg, Addza, Leadfly, Ark browser plugin, PiContacts, VERIFIGATOR, addappt, ContactBase, Contacts Express, Soocial are some alternatives to Contacts+ .