Here are some free web conferencing software programs that you may use for evangelism or discipleship. I have heard that Zoom is good. I know that many people use Skype. Many software companies have a free version and a paid version.
https://zoom.us
http://www.reviews.com/web-conferencing-services/free/
https://elearningindustry.com/8-free-web-conferencing-tools
https://webconferencing-test.com/en/rankings/free-conferencing-tools
http://www.pcmag.com/article2/0,2817,2388678,00.asp
Here are some other possible choices:
Fuze
Cisco WebEx Meetings
GotoMeeting
BigBlueMeeting
Google Hangouts
join.me
Mikogo
WebHuddle
Zoho Meeting
TeamViewer
AnyMeeting
Skype Free
Spreed Meeting
http://www.missionaryresources.com/
https://twitter.com/ChristResources
https://www.facebook.com/World-Christian-Missionary-Resources-379452035505245/
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