Best Software Coupons & Promo Codes for December 2025

New Duolingo users can apply promo code "WELCOME15" to your order to save up to 15% off your subscription. Note that some exclusions may apply and you must sign up via the website in order to redeem a promo code. Shop Now at Duolingo

New Duolingo users can apply promo code "DUOLINGO50" to your order and save up to 30% on your first year of the service. Note that some exclusions may apply and you'll need to sign up on the website in order to redeem a code. Shop Now at Duolingo

New Duolingo users can apply promo code "BACKTOSCHOOL10" during signup to save 10% on all subscriptions. Note that some exclusions may apply and you must sign up on the desktop and not through the app in order to redeem the code. Shop Now at Duolingo

New Duolingo users can apply promo code "SAVE50" to take up to 50% off your subscription. Note that some exclusions may apply and you must sign up through the website in order to redeem promo codes. Shop Now at Duolingo

You can download lots of MIT courses for free on this OpenCourseWare site. Some standouts include an ethics module on computing, Heavy Metal 101, and courses covering engineering, design, politics, and programming.  Shop Now at MIT

Get just over 90% off Microsoft Windows 11 Pro or Home Software. Buy Now at StackSocial

Save $580 - or 96% - on permanent access to an ever-expanding library of over 1,000 courses on IT, graphic design, finance, marketing, and more. Buy Now at StackSocial

Get over 1,030 premium photoshop actions and save $20. Buy Now at StackSocial

Get up to 86% off 1- and 2-year plans. The Surfshark Starter plan costs $2.79/mo. for one year, or $2.19/mo. for two years. Surfshark One costs $3.19/mo. for one year or $2.69/mo. for two years. And finally, Surfshark One+ costs $5.09/mo. for one year or $4.29/mo. for two years. All of these also come with 3 extra months for free, making it the best discount we've ever seen from them. Shop Now at Surfshark

That's a savings of $120. Buy Now at Amazon

Extract and copy text from images, videos, and other digital documents in seconds and get $3 off. This offer is valid for new users only. Buy Now at StackSocial

Save an extra $10 with coupon code "MAC10". Buy Now at StackSocial

Save $144 on this subscription and get up to 90% off domestic and international flights. Buy Now at StackSocial

This software is a great solution for mail backup, archiving, email management, and mail conversion. It's a savings of $129. This deal is valid for new users only.Encrypt & secure your data with military-grade aes 256-bit encryption Buy Now at StackSocial

Get free online training in everything from digital marketing and SEO via ChatGPT to weight loss and TV hanging techniques. Courses last anywhere from 30 minutes to 49 hours. Shop Now at Udemy

Save $270 on this bundle from Oak Academy. You'll get over 150 hours of instruction across 10 courses. Buy Now at StackSocial

At 75% off, it's the best price we could find by $10. Buy Now at Amazon

Save on a huge range of amp and effects modelling software and expansions. We've pictured the Positive Grid Bias FX 2 Elite Amp & Effects Software for $164 ($135 off). Plus, new customers get an additional $10 off with email sign up. Shop Now at Positive Grid

Get 30% off their business starter plan at $7/month ($3 off), 50% off the family plan at $3.13/month ($3 off), and $1.46/month for the unlimited plan ($1 off). This post contains affiliate links and DealNews will be compensated if you make a purchase after clicking on the links. Shop Now at Keeper