OpenSolar vs Tessitura Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

OpenSolar

0.0 (0 reviews)

OpenSolar is a comprehensive solar design and sales software providing installers with high-definition 3D modeling, accurate shading analysis, and integrated financing tools to streamline the entire project lifecycle.

Starting at Free
Free Trial NO FREE TRIAL
VS

Tessitura

0.0 (0 reviews)

Tessitura is a unified enterprise CRM designed specifically for the arts and culture sector to manage ticketing, fundraising, memberships, and marketing in a single, integrated database.

Starting at --
Free Trial NO FREE TRIAL

Quick Comparison

Feature OpenSolar Tessitura
Website opensolar.com tessitura.com
Pricing Model Free Custom
Starting Price Free Custom Pricing
FREE Trial ✘ No free trial ✘ No free trial
Free Plan ✓ Has free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment cloud mobile cloud desktop
Integrations Zapier Nearmap IronRidge Enphase SolarEdge Sunlight Financial GoodLeap Mosaic Salesforce HubSpot WordFly Prospect2 Constant Contact Mailchimp CyberSource Adyen PayPal Microsoft Outlook
Target Users freelancer small-business mid-market enterprise mid-market enterprise
Target Industries Renewable Energy Construction arts and culture non-profit education
Customer Count 0 0
Founded Year 2017 2001
Headquarters Sydney, Australia Dallas, USA

Overview

O

OpenSolar

OpenSolar provides you with a complete end-to-end toolkit to design, sell, and manage solar projects from a single interface. You can create high-definition 3D site models using advanced imagery and conduct precise shading analysis to ensure system accuracy. The platform allows you to generate professional, interactive proposals that include multiple system options and integrated financing, helping you close deals faster while providing a modern experience for your customers.

Beyond sales, you can manage your entire workflow from lead capture to installation using the built-in CRM and project management features. Because the software is supported by hardware and finance partners, you get access to a sophisticated suite of tools without paying monthly subscription fees. It is an ideal solution for solar installation businesses of all sizes looking to scale their operations and reduce overhead costs.

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Tessitura

Tessitura provides a unified platform built specifically for the unique needs of arts and culture organizations. You can manage every aspect of your constituent relationships—from single-ticket buyers and subscribers to high-level donors and members—within a single, centralized database. This eliminates data silos and gives you a complete 360-degree view of how your audience interacts with your organization across all touchpoints.

You can streamline your operations by handling box office sales, complex fundraising campaigns, and automated marketing efforts in one place. The platform is designed for mid-to-large scale performing arts centers, museums, and galleries that require sophisticated tools for revenue management and audience engagement. By using a single source of truth, you can make data-driven decisions to grow your audience and increase your philanthropic support.

Overview

O

OpenSolar Features

  • 3D Design & Modeling Create accurate 3D solar designs with high-resolution imagery and automated shading calculations to ensure peak system performance.
  • Interactive Proposals Send digital, mobile-ready proposals that allow your customers to select options and sign contracts online in real-time.
  • Integrated Financing Access various financing products directly within your proposals so your customers can get instant credit approvals.
  • Built-in CRM Track your leads and manage customer relationships throughout the entire sales funnel without needing external database tools.
  • OpenApi & Webhooks Connect your existing business tools and automate data flow between OpenSolar and your other critical software systems.
  • Mobile App Manage your projects and update site details from the field using native apps for your smartphone or tablet.
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Tessitura Features

  • Unified Constituent CRM. View every interaction a person has with your organization, from their first ticket purchase to their latest donation, in one profile.
  • Flexible Ticketing. Manage reserved seating, general admission, and timed entry for exhibitions or performances with ease across all sales channels.
  • Integrated Fundraising. Track your moves management process and manage complex gift processing to build stronger relationships with your most loyal donors.
  • Membership Management. Automate your renewal notices and deliver exclusive member benefits seamlessly at the point of sale or online.
  • Business Intelligence. Access real-time data and built-in reporting tools to analyze your sales trends and donor behavior for better planning.
  • Marketing Automation. Create targeted email campaigns and personalized offers based on actual purchase history and constituent preferences.

Pricing Comparison

O

OpenSolar Pricing

Free
$0
  • Unlimited users and seats
  • Unlimited projects and designs
  • High-definition 3D modeling
  • Interactive digital proposals
  • Integrated CRM and lead tracking
  • Mobile app access
T

Tessitura Pricing

Pros & Cons

M

OpenSolar

Pros

  • Completely free to use with unlimited user seats
  • Highly accurate 3D modeling and shading analysis
  • Professional interactive proposals impress potential customers
  • Frequent software updates and new feature releases
  • Excellent mobile functionality for field sales teams

Cons

  • Initial setup and configuration takes significant time
  • Steep learning curve for advanced design features
  • Occasional slow loading times with high-res imagery
A

Tessitura

Pros

  • Unmatched 360-degree view of all constituent interactions
  • Highly customizable to fit complex organizational workflows
  • Strong community support and knowledge sharing among users
  • Robust reporting capabilities for deep data analysis

Cons

  • Significant learning curve for new staff members
  • Requires dedicated technical resources for optimal management
  • Implementation process is intensive and time-consuming
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