VisibleThread document tools that measure the clarity and compliance of bids, contracts and business writing

Prospero
Online proposal software with templates, eSignature and open tracking for freelancers and agencies

About Prospero
Prospero is online software for building business proposals, sending them and collecting signatures. It tracks how each proposal is received so users can time their follow-up.
What Prospero offers
- Templates — over a hundred templates and a content library for saving sections to reuse.
- Customisation — add logos, images, videos and tables to a proposal.
- Tracking — see how many times a proposal was opened, for how long, and its status, with email notification on opening.
- eSignature — draw, type or upload a signature, from any device, with more than one signer and a timestamp and IP address recorded.
- Client choices — clients can pick plans or specific services and may pay when they sign.
- Team accounts — add users and manage roles and permissions.
Who it works with
Service businesses that sell through proposals, including freelancers and small agencies.
Profile written by TrustList from the business's own published information, Oct 2026.
Categories & features
Rankings
- Proposal management software › Pipeline management#5
- Proposal management software › Rfp management#7
- Proposal management software › Electronic signature#7
- Proposal management software › Version control#7
- Proposal management software › Templates#8
- Proposal management software › Web based cloud saas#8
- Proposal management software › Collaboration#9
- Proposal management software › Content library#9
- Proposal management software › Document management#9
As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.
What the business tells TrustList
- Privacy and data
- GDPR compliant evidence sent
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