Best Online Proposal Software for Secure eSignatures

Effortlessly send and eSign documents with airSlate SignNow’s user-friendly and cost-effective solution, designed to streamline your workflow.

No credit card required
See how it works!Click here to sign a sample doc

Award-winning eSignature solution

What best online proposal software does and why it matters

best online proposal software centralizes creation, delivery, and signing of proposals and related contracts in a digital workflow. It combines editable templates, eSignature capabilities, signer authentication, and audit trails to reduce manual handling and speed approval cycles. For U.S. organizations, compliant solutions will support ESIGN and UETA standards, provide tamper-evident PDFs, and log signer actions. Integrated tools commonly include document merging, pricing tables, CRM connections, and mobile signing to accommodate remote and hybrid teams while helping firms cut processing time and administrative overhead.

Typical roles and how they use proposal software

Administrator

Administrators configure account settings, manage user roles and permissions, enforce template version control, and oversee retention and compliance policies to ensure proposals are sent under approved organizational rules.

Sales Representative

Sales reps create and customize proposals from template libraries, send to prospects for signature, track status and reminders, and archive signed agreements back to CRM records for revenue and fulfillment handoff.

Core features to evaluate in proposal software

Compare platforms on features that affect speed, accuracy, and compliance when handling proposals and contract signatures.

eSignature

Secure electronic signature tools with configurable signer authentication, tamper-evident sealing, and embedded audit logs to support legally enforceable signing under U.S. ESIGN and UETA frameworks.

Templates

Reusable, versioned proposal templates with merge fields and pricing tables that reduce repetitive editing and enforce consistent terms across sales or contracting teams.

CRM integration

Two-way connectors and native integrations with CRMs let you populate proposals from records, push signed documents back to contact or opportunity records, and reduce duplicate data entry.

Bulk Send

Send identical proposals to large recipient lists with individualized links or copies and track delivery and signing status per recipient for efficient outreach.

Conditional Fields

Show or hide sections, clauses, and pricing based on choices or data inputs to create tailored proposals without manual editing for each recipient.

Audit Trail

Detailed, exportable logs capture timestamps, IP addresses, and signer actions to support dispute resolution and compliance reporting requirements.

be ready to get more

Choose a better solution

No credit card required

Integrations and templates that save time

Look for prebuilt connectors and robust template controls to reduce manual work when sending proposals.

Google Workspace

Integration with Google Docs lets you import or export proposal drafts directly from documents, maintain formatting, and update CRMs or cloud storage without reuploading signed files, simplifying workflows for teams that author content in the Google ecosystem.

CRM connectors

Native integrations with common CRMs synchronize contact and opportunity data into proposals, push signed PDFs and status updates back to records, and can trigger automated follow-ups or contract-to-order processes.

Dropbox integration

Direct connections to Dropbox and other cloud storage providers provide secure document retrieval and persistent storage for signed proposals, enabling centralized file management and backup policies.

Custom templates

Template libraries support brand controls, variable fields, and versioning so teams create standardized proposals that reduce legal risk and preserve consistent pricing and obligations across deals.

How proposal workflows operate end to end

A typical proposal flow moves from template selection through recipient assignment to signing and archival, with checkpoints for approvals and reminders.

  • Prepare: Choose or build a reusable proposal template.
  • Customize: Insert pricing, conditional clauses, and fields.
  • Deliver: Send via email link, SMS, or embedded form.
  • Complete: Signers authenticate and apply eSignatures to finalize.
Collect signatures
24x
faster
Reduce costs by
$30
per document
Save up to
40h
per employee / month

Quick setup: Start sending proposals in four steps

Follow a short sequence to create, send, and finalize a proposal using best online proposal software.

  • 01
    Create account: Register and verify your organization details.
  • 02
    Upload template: Import your proposal or use a system template.
  • 03
    Add fields: Place signature, date, and data fields for recipients.
  • 04
    Send: Specify recipients and delivery method for signing.

Managing audit trails and signed documents

Practical tasks for maintaining clear, verifiable records of every proposal transaction.

01

Enable audit logs:

Turn on comprehensive event tracking
02

Retain PDFs:

Store final signed copies securely
03

Export records:

Export logs for audits and legal review
04

Verify timestamps:

Confirm secure timestamping is used
05

Protect access:

Restrict who can view signed files
06

Review regularly:

Schedule periodic log reviews
be ready to get more

Why choose airSlate SignNow

  • Free 7-day trial. Choose the plan you need and try it risk-free.
  • Honest pricing for full-featured plans. airSlate SignNow offers subscription plans with no overages or hidden fees at renewal.
  • Enterprise-grade security. airSlate SignNow helps you comply with global security standards.
Start free trial
illustrations signature

Typical automation and workflow configuration settings

Common settings define how proposals move through preparation, approvals, and archiving to enforce consistency and reduce manual intervention.

Setting Name Configuration
Approval routing Sequential approvals
Reminder Frequency 48 hours
Auto-archival 30 days after completion
Field validation Required fields enforced
Signature order Fixed or flexible

Supported devices and platform requirements

best online proposal software typically supports modern browsers and native mobile apps to enable drafting and signing from most devices.

  • Web browsers: Chrome, Edge, Safari, Firefox
  • Mobile apps: iOS and Android native apps
  • Desktop support: Windows and macOS browsers

For reliable signing, ensure devices run supported OS versions and browsers, enable TLS/HTTPS connections, and maintain current app builds; offline signing is limited and often requires prior document download and local signing support.

Security controls and protections

Data encryption: AES-256 at rest, TLS in transit
Access controls: Role-based permissions and SSO
Audit logging: Comprehensive event history
Two-factor authentication: Optional MFA for signer and admin
Digital certificates: X.509 support for advanced signing
Regulatory controls: HIPAA and FERPA options

Industry examples: How teams use proposal software

Short, practical examples show how proposals streamline workflows across sectors.

SaaS Sales

A mid-market SaaS team automates quotes and recurring contract creation using templates and CRM sync to reduce manual drafting time.

  • Automated pricing merges
  • Faster contract cycle and fewer errors

Leading to shorter sales cycles and more predictable revenue recognition through standardized proposals and tracked approvals.

Higher Education

A university procurement office templates vendor agreements and permissions forms to ensure consistent clauses and approver routing.

  • Centralized document library
  • Greater policy adherence

Resulting in clearer audit records and faster campus procurement while preserving FERPA-sensitive handling and controlled access to signed agreements.

Best practices for accurate, secure proposals

Adopt controls and routines that reduce risk and increase consistency when preparing and sending proposals.

Maintain template version control
Use a single source of truth for templates and record changes so all proposals use approved language. Enforce versioning and restrict who can publish or edit templates to avoid outdated clauses or inconsistent terms across teams.
Verify signer identity appropriately
Choose signer authentication that matches transaction risk, from email verification to SMS codes or knowledge-based checks, and document the chosen method to support legal enforceability in dispute or audit scenarios.
Limit data exposure in proposals
Avoid embedding unnecessary personal data in transmitted proposals; use secure merge fields and redact sensitive items. Configure access controls and expiration to reduce the risk of unauthorized disclosure or stale links.
Retain audit-ready records
Store final signed PDFs plus associated audit logs and metadata in a controlled repository with retention policies. Ensure exportability for legal review and maintain the chain of custody for compliance purposes.
Connect airSlate SignNow to your apps
Check out airSlate SignNow integrations
Data accuracy, security, and compliance
airSlate SignNow is committed to protecting your sensitive information by complying with global industry-specific
Learn more about security

Frequently asked questions about best online proposal software

Answers to common legal, technical, and operational questions about using electronic proposals and signatures.

Feature comparison: digital signing capabilities

Compare common feature availability across leading eSignature providers to evaluate fit for proposal workflows.

Feature signNow (Recommended) DocuSign Adobe Acrobat Sign
Legal enforceability (U.S.)
Audit trail detail Extensive Extensive Extensive
API access REST API REST API REST API
HIPAA support Available Available Available
be ready to get more

Get legally-binding signatures now!

Start your free trial

Pricing and plan comparison across vendors

High-level pricing and plan differences can influence total cost; confirm current pricing and enterprise discounts with each vendor.

Metric signNow (Recommended) DocuSign Adobe Acrobat Sign PandaDoc Dropbox Sign
Starting price (per user/month) From $8/user/month From $10/user/month From $14.99/user/month From $19/user/month From $15/user/month
API availability and limits REST API with usage tiers REST API with paid plans REST API included in enterprise REST API with paid plans REST API with paid plans
Enterprise-grade support Available with enterprise plans Available with enterprise plans Available with enterprise licensing Available with enterprise plans Available with enterprise plans
Free trial Free trial available Free trial available Trial available Free trial available Free trial available
Included templates and storage Reusable templates and cloud storage Templates included, storage varies Templates included via Acrobat tools Template library included Templates and cloud storage included
walmart logo
exonMobil logo
apple logo
comcast logo
facebook logo
FedEx logo

Explore Advanced Features

Discover More eSignature Tools

be ready to get more

Get legally-binding signatures now!

Start free trial
Company
Forms
Pricing
Resources
Knowledge base
Other Products
© 2026 airSlate Inc. All rights reserved.
English