10 Best Tools to Start a Side Hustle in 2025
A side hustle doesn't need a big investment — it needs the right tools. Here's what's actually worth using to build income on the side.
Tools mentioned
The easiest way to start selling online. Free trial, no credit card needed.
Try Shopify free →Design anything — logos, social posts, pitch decks — in minutes.
Try Canva free →Email marketing built for creators. Grow and monetize your audience.
Try ConvertKit free →The newsletter platform that pays you. Monetize from day one.
Start free on Beehiiv →Automate your business without code. Connect 1,000+ apps visually.
Start automating →1. Shopify — sell products
If your side hustle involves selling anything physical or digital, Shopify is the most reliable platform with the best support. 3-day free trial + $1/month for 3 months for new users makes the entry cost negligible.
2. Canva — look professional
Free plan covers most needs. A side hustle with professional branding and design converts dramatically better than the same offer with amateur visuals. 30 minutes in Canva can make you look like a real business.
3. Notion — operate your business
Free personal plan. Use it as your command center: track clients, manage projects, store SOPs, plan content. A Notion workspace replaces 5+ individual apps for a solo side hustler.
4. Upwork or Fiverr — find first clients for services
Both platforms let you get your first paid clients without cold outreach. Fiverr is better for productized services (a specific deliverable at a fixed price). Upwork is better for custom project work. Start on one platform and build 5–10 reviews before diversifying.
5. ConvertKit — collect emails from day one
Free up to 1,000 subscribers. The most important habit: collect emails from your first customers and interested prospects. An email list is the only audience you own. Start building it from day one even if it feels premature.
6. Beehiiv — if content is your side hustle
For a newsletter-based side hustle, Beehiiv's free tier (2,500 subscribers) and Boosts ad network let you build and monetize without spending anything. A focused niche newsletter can generate $500–$2,000/month from ads alone at 2,000 subscribers.
7. Make.com — eliminate busywork
Free 1,000 operations/month. Side hustles run on limited time — automation is force multiplication. One afternoon setting up automations can reclaim 5+ hours per week from administrative tasks.
8. Calendly — take bookings
Free plan covers basic use. If your side hustle involves any kind of consultation, coaching, or discovery calls, Calendly eliminates all the scheduling back-and-forth and looks professional to potential clients.
9. Wave — free accounting
Completely free invoicing, bookkeeping, and accounting software. Track income and expenses from day one — you'll need this at tax time and it's good business practice to know your actual profit.
10. Loom — communicate async
Free up to 25 videos. Send video walkthroughs to clients instead of writing long emails. Clients find video explanations clearer, and you save time compared to scheduling calls. Loom videos also work as demo content for marketing your services.
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