GoSignFounding Dev
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Related Products
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About
GoSign is a flat-rate electronic signature platform designed as a scalable alternative to DocuSign. Moving away from restrictive per-envelope or per-seat pricing, GoSign charges a flat fee with absolutely no usage caps. Teams can manage unlimited documents, templates, and users without worrying about surprise costs.
Built for flexibility and security, the platform offers REST API, webhooks, SSO, OAuth, and custom branding on its premium tiers. For regulated industries requiring HIPAA or SOC2 compliance, GoSign also supports self-hosted deployments on AWS, GCP, or private clouds.
Created by Founding.dev, GoSign is the ideal high-volume contract solution for legal, HR, sales, real estate, SaaS startups, and freelancers alike
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About
Sendmux gives AI agents their own inbox and a controlled way to send email. Each agent can receive messages, read threads, handle attachments, send replies, and react to new mail through signed webhooks or Server-Sent Events.
Teams can send through Gmail OAuth, Outlook OAuth, SMTP providers, or managed Amazon SES. Sendmux can spread sending across providers with weighted routing, sender-domain routing, health checks, failover, and quotas by second, minute, hour, or day.
Developers get Mailbox, Sending, and Management APIs, OpenAPI docs, SDKs, the sendmux CLI, MCP tools, and Sendmux Skills. The platform also covers tenant isolation, mailbox-scoped API keys, custom domains, logs, metrics, and usage-based pricing with no per-seat or per-mailbox fees.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Legal teams, HR professionals, sales teams, real estate agents, SaaS startups, freelancers, insurance agents, mortgage brokers, and any organization that sends high volumes of contracts.
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Audience
AI agent builders that need an email API for AI agents
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$9/month
Free Version
Supported
Free Trial
Not Supported
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Pricing
$0.15 per 1000 emails
Free Version
Supported
Free Trial
Not Supported
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Reviews/
|
Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Supported
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Company InformationFounding Dev
Founded: 2025
gosign.work/
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Company InformationSendmux
Founded: 2026
Australia
sendmux.ai
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Alternatives |
Alternatives |
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Categories |
Categories |
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Digital Signature Features
Audit Trail
Supported
Authentication
Supported
Auto Reminders
Not Supported
Customizable Templates
Not Supported
Document Analytics
Supported
Mobile Signature
Supported
Multi-Party Signing
Supported
Progress Tracking
Supported
Task Progress Tracking
Not Supported
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Integrations
Zapier
Supported
Airtable
Supported
Claude
Not Supported
Codex CLI
Not Supported
FetchSandbox
Not Supported
Gmail
Not Supported
Google Drive
Supported
LangChain
Not Supported
Microsoft 365
Supported
Microsoft Outlook
Not Supported
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Integrations
Zapier
Supported
Airtable
Not Supported
Claude
Supported
Codex CLI
Supported
FetchSandbox
Supported
Gmail
Supported
Google Drive
Not Supported
LangChain
Supported
Microsoft 365
Not Supported
Microsoft Outlook
Supported
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