Dr. Preston's Recommended Tools

Every tool on this page is one I've personally evaluated and use in my own workflow. No fluff, no filler — just what actually works for solopreneurs, students, and educators in 2026.

Affiliate Disclosure: Some links below are affiliate links. I only recommend tools I personally use. I earn a small commission if you sign up — at no extra cost to you.

Built by Dr. Preston

These are tools I built personally. They're free to try and the ones I use in my own workflow every day.

RepurposeAI
Turn one blog post into tweets, LinkedIn, newsletter, Instagram, video script, and thread — simultaneously.
Try free →
ClearMinutes AI
Paste any meeting transcript. Get summary, action items, decisions, follow-up email, and next agenda in 20 seconds.
Try free →
AI Workflow OS
Complete Notion system for AI-powered solopreneurs. Income tracker, content calendar, goal system, dashboards.
Get for $49 →
Free AI Tools by Dr. Preston
Tools I built and host for free — no account required. Try them now.
🎯 AFOQT Score Predictor FREE TOOL
20-question diagnostic quiz predicts your AFOQT composite score. Get a radar chart of your strengths and personalized study recommendations.
Why I built it Most AFOQT candidates don't know where they actually stand until test day. This tool gives you a data-backed prediction so you can focus your study time where it counts most.
Free AFOQT
No sign-up required Try free →
📄 Military Resume Translator FREE TOOL
Translate military jargon, AFSC codes, and resume bullets into civilian-friendly language for any industry.
Why I built it Transitioning veterans lose job opportunities every day because hiring managers can't decode military language. This tool bridges that gap instantly.
Free Veterans
No sign-up required Try free →
♻️ RepurposeAI FREE TOOL
Turn blog posts, YouTube scripts, and PDFs into full social media content packs in seconds.
Why I built it Creating content for 5 different platforms from scratch is unsustainable for a one-person operation. RepurposeAI turns one piece of content into six formats simultaneously.
Free Content
No sign-up required Try free →
📋 ClearMinutes AI FREE TOOL
AI meeting minutes — extract action items, decisions, and summaries from any transcript.
Why I built it Military meetings produce action items that get lost. ClearMinutes extracts every decision, owner, and deadline from any transcript in under 20 seconds.
Free Productivity
No sign-up required Try free →
Productivity & Business
The tools that run the day-to-day operations of a lean business.
📄 Notion ★★★★★
Best workspace for solopreneurs. Databases, notes, projects, wikis — all in one place. I run my whole business here.
Why I use it I use Notion for session planning and student tracking. Every tutoring client has their own database — session notes, goals, progress. Nothing falls through the cracks.
Free plan Top Pick
Affiliate program Try free →
📈 HubSpot CRM ★★★★★
Best free CRM — actually free. Contact management, deal tracking, email sequences, and meeting scheduler at zero cost.
Why I use it Tracks my student pipeline. Every lead, inquiry, and follow-up lives in HubSpot. The 180-day cookie and 30% recurring commission makes it one of the best affiliate programs in SaaS too.
Forever free Top Pick
30% recurring, 180-day cookie Try free →
📅 Calendly ★★★★★
Best scheduling tool. Set your availability once, send a link, and let clients book without the back-and-forth.
Why I use it Every student books through Calendly. It's the single biggest time-saver in my business — I spend zero time on scheduling logistics.
Free plan Top Pick
Affiliate program Try free →
AI Writing & Content
Tools for creating and repurposing written content faster.
✍️ Jasper AI ★★★★★
Best AI writer — the most mature AI writing platform for marketing copy, landing pages, and email sequences. Brand voice training is genuinely useful.
Why I use it I use Jasper for creating study materials and content. When I need to produce a structured lesson explainer or a well-formatted blog draft fast, Jasper consistently delivers better output than generic prompting.
Paid Top Pick
25-30% recurring affiliate Try free →
✍️ Writesonic ★★★★☼
Best for content repurposing. Strong for SEO-focused content and includes a chatbot builder (Botsonic). 30% lifetime recurring affiliate commission.
Why I use it Powers my RepurposeAI workflow. When I have a longer-form piece that needs to be atomized into social content and email copy, Writesonic handles the SEO optimization layer better than most tools.
Free tier Paid plans
30% lifetime recurring Try free →
🎤 ElevenLabs ★★★★★
Best AI voice generation. Convert articles and newsletters to audio. Voice cloning is remarkable for anyone building a personal brand.
Why I use it I use ElevenLabs for creating audio study materials. Some students retain information better through audio review — ElevenLabs lets me convert written explanations into natural-sounding narration in minutes.
Free tier Top Pick
Affiliate program Try free →
Newsletter Platforms
Tools for building, sending, and growing an email newsletter. I run FissionLab's email list on Beehiiv.
🌍 Beehiiv ★★★★★
The best newsletter platform for creators who want to grow and monetize. Built-in referral program, ad network, paid subscriptions, and subscriber analytics — all in one clean dashboard. No transaction fees on paid tiers.
Why I use it I moved to Beehiiv after testing Substack and ConvertKit. The built-in referral mechanics and ad network access are genuinely differentiated. The writing experience is the cleanest of any platform I've used.
Free plan Top Pick
Affiliate link — no extra cost to you Try free →
Education & Online Courses
Platforms for selling your expertise as courses or digital products.
🎓 Thinkific ★★★★☼
Best platform for online courses. Free plan with no transaction fees. Clean student experience, integrated community, and scales well.
Why I use it My plan for scaling beyond 1:1 tutoring. When I launch my AFOQT Mastery and ML for Scientists courses, they'll live on Thinkific. The no-transaction-fee free plan is the best starting point for course creators.
Free to start
30% lifetime recurring, 90-day cookie Try free →
🛒 Gumroad ★★★★☼
Dead simple for selling PDFs, templates, and digital downloads. Zero monthly fee — they take a percentage per sale.
Why I use it I use Gumroad for my Notion templates and digital products. The zero-upfront-cost model is perfect when you're starting out — you only pay when you make a sale.
No monthly fee
No formal affiliate program Try free →

Want to earn affiliate commissions on these tools?

These are the affiliate program sign-up pages for each tool. Most approve immediately or within a few business days.