Free Trial Diagram Software (2026)

Free Trial
Lucidchart offers Free, Basic, Professional, and Team accounts: Free Individual: $7.95 /mo Team: $6.67 /mo Enterprise: Contact Lucid Software for pricing details. Free accounts allow users to create an unlimited number of diagrams with a limit of 60 objects per diagram.

Free Trial
No Credit Card Required
Contact Graphical Networks for detailed pricing information.

Free Trial
No Credit Card Required
Aha! offers a range of pricing plans tailored to different aspects of product management, providing features suited to various needs in the product development process. The most comprehensive offering is Aha! Roadmaps, beginning at $59 per user per month. This includes Aha! Ideas Essentials, Aha! Whiteboards Essentials, and Aha! Knowledge Essentials. There are additional options to upgrade your Aha! Roadmaps account to include Aha! Discovery, Aha! Ideas Advanced, Aha! Whiteboards Advanced, and Aha! Knowledge Advanced. You can also add-on Aha! Teamwork and Aha! Develop users. Aha! Discovery starts at $39 per user per month to manage customer interviews. Aha! Ideas starts at $39 per user per month for a comprehensive idea management tool. Aha! Whiteboards starts at $9 per user per month for a visual space for product innovation. Aha! Knowledge starts at $18 per user per month providing an AI-powered product information hub. Aha! Teamwork starts at $9 per user per month for a flexible project management tool. Aha! Develop starts at $9 per user per month with an agile tool that links strategy to delivery.

Free Trial
Visio Online Plan 1: $5/user/month (billed annually) or $6/user/month (billed monthly). Visio Online Plan 2: $15/user/month (billed annually) or $18/user/month (billed monthly).

Free Trial
Miro offers a free and premium plans starting at $10 per user per month (or $8 per user per month for annual billing). Miro offers a free account with 3 editable boards and unlimited team members. Our paid premium plans offer extended features such as unlimited boards, private board sharing, unlimited external board viewers and commenters, advance attention management, custom templates, Single Sign-On, integrations to your favorite tools and more. Custom enterprise pricing is available as well.

Free Trial
draw.io online is a free-to-use web application with no premium paid-for functionality, watermarking, or other limitations. To use draw.io with Atlassian Confluence and JIRA, monthly or annual fees apply.

Free Trial
No Credit Card Required
Pingboard has three pricing plans based on your unique needs. We also offer custom pricing. Plans start at $149 per month and include org charts, directory, employee statuses, and more! Starting pricing: $149/month Free trial: Available Free version: None

Free Trial
No Credit Card Required
Plus (single user plan): $6/month Team (multi-user plan): $6/user/month. Enterprise: contact Cacoo for a price quote.

Free Trial
No Credit Card Required
Perpetual License - $179 - includes indefinite use of the licensed software and 3 years free upgrades Lifetime License - $245 - includes indefinite use of the licensed software and lifetime free upgrades Subscription License $99/year (annual commitment)

Free Trial
No Credit Card Required
Creately offer both personal and team accounts. Personal plans are $8/month or $5/month billed annually Team plans start with $8/month/user or $5/month/user billed annually Public : Free , Unlimited collaborators and private workspaces / 1 Folder

Free Trial

Free Trial
No Credit Card Required
One year subscription to the full featured product which includes upgrades to new versions, co-editing, integration with MS Teams and other apps included in $169 per year.

Free Trial
No Credit Card Required
Free - 0 EUR for up to 3 projects (boards), selected whiteboard features, up to 5 participants per board. Personal - 3 EUR per user/month (billed annually) for unlimited projects (boards), selected whiteboard features plus adding YouTube videos, up to 10 participants per board. Basic - 5 EUR per user/month (billed annually) for projects (boards), whiteboard features like in the personal subscription plus team management, up to 50 participants per board, and up to 20 guest users per board. Advanced - 10 EUR per user/month (billed annually) for unlimited projects (boards), all whiteboard features including facilitator tools, unlimited participants and guest users per board plus option to host data in Switzerland (on-request).• Enterprise - all of Advanced plus options to self-host on-premises or in own cloud (Azure, aws), SSO, company branding, admin dashboard and more. Customized plans are available on request.

Free Trial
No Credit Card Required
We offer empower® in an annual license model, which is based on the number of users (designed for larger license volume starting from 50 users). Maintenance, updates and 2nd level support are included in the license fee. Furthermore, corporate licenses at very attractive pricing are available. If you are an enterprise organization, please contact our sales team to learn more.

Free Trial
No Credit Card Required
XTEN-AV uses a per-user, subscription-based pricing model. You can choose Monthly billing or Annual billing (save 25%, billed annually). A free trial is available, no credit card is required, and you can upgrade anytime. Core plans (USD per user / month): Basic (1 user): $139 monthly, or $104.25 on annual billing (billed annually). Business (1–25 users): $149 monthly, or $111.75 on annual billing (billed annually). Enterprise (25+ users): $169 monthly, or from $126.75 on annual billing (billed annually). What’s included in all core plans: XAVIA (AI Agent for AV) plus AI capabilities (AI-generated drawings/designs, AI-assisted product recommendations, AI reports/insights, AI-powered dealer pricing sync, auto-proposals, AI-powered project insights), X-DRAW (built-in drawing/editing with automation for racks, signal flows, cable schedules, styling, cloud access, and AutoCAD export), x.doc (proposal tool with templates, tracking, approvals, digital signatures, cost & labor calculations), mobile apps (iOS/Android), My Library, Search Sense, Chatter, 2FA, reports, 200+ currencies, and email/chat support. Plan differences: Business adds user access levels, team collaboration, approval workflows, library management by XTEN, onboarding support, and API integrations (e.g., QuickBooks, Monday.com). Enterprise adds SSO, dedicated CSM, priority support (including phone/Zoom), unlimited onboarding/training, on-demand API integrations, and additional integrations (e.g., ConnectWise, Dynamics 365, HubSpot, Q360, Salesforce, Zoho). On-demand custom integration is available (includes 1 free). Optional add-on (sold separately): X-PRO Project Management module Available for Office Users or Field Users and can be added to any plan. $15 per user/month (monthly) or $11.25 per user/month (annual, billed annually). Includes task management linked to events, ROI insights, and job-site clock-in/clock-out. Office adds inventory, purchase orders, and invoices; Field focuses on mobile execution with schedules and drawing access on-site. Note: Enterprise pricing is listed as “from” and may vary by team size and requirements. Prices may change over time and taxes/promotions may apply.

Free Trial
No Credit Card Required
Free - $0 / / 14-day trial Pro - $6 / user a month - billed annually Pro - $8 / user a month - billed monthly Enterprise - Contact Us

Free Trial
No Credit Card Required
3 pricing plans are available: Starter - free for up to 3 Figma files and 3 FigJam files FigJam Professional - $3/editor/month (billed annually) or $5/editor/month (billed monthly) FigJam Organization - $5/editor/month (billed annually)

Free Trial
OmniGraffle - $99.99 (Individual License), $149.99 (Family License) OmniGraffle 5 Professional - $199.99 (Individual License), $299.99 (Family License)

Free Trial
No Credit Card Required
We offer simple and straightforward pricing on JointJS+ license, with the option to add discounted update subscriptions and paid support plans. JointJS+ license: $3490 per license with updates for 1st year Standard Support Package - $2490 - 15 hours of support with 1 support contact. Premium Support Package - $3990 - 30 hours of support with 1 support contact. Updates renewal: $1690 per license/year

Free Trial
Annually or monthly subscriptions. Pricing based on number of users.

Free Trial
No Credit Card Required

Free Trial
No Credit Card Required
Starting from $9.99/month. You can choose from 1, 6 or 12month license or a perpetual license. For team use, floating licensing is available. Also academic license is available for personal use and campus-wide.

Free Trial
Zoho Show is a free software

Free Trial
No Credit Card Required
think-cell Suite is leased to our customers, not sold. Our annual leasing fee is based on the number of users and covers usage, updates and upgrades as well as technical support. think-cell Suite license includes think-cell Core, think-cell Library and think-cell Charts. We license to people, not machines. Therefore, every individual who wants to use think-cell needs a personal license, but can install it on any number of machines. We ship our software electronically. Customers receive a link to download the software and a license key to activate it after installation. A license key can be used by several users, but of course only by the number of users for which you placed an order.

Free Trial
1. Software as a Service: Please request a quote 2. On-Premise: Please request a quote. Further information: http://www.signavio.com/pricing