Yes, both Slack and Dialpad Talk offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Dialpad Talk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Dialpad Talk Starts at $15/User/Month.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to Dialpad Talk includes CloudTalk, VoIPstudio, Vonage Business, Vodia PBX, 4PSA VoipNow, MightyCall, Ringover, Continent Telecom IP PBX, GoTo Connect, Comcast Business VoiceEdge and CloudPhone.
