Startup OG

BacklinkGenie

AI outreach agent that finds prospects, writes pitches, and sends emails.

PepVault

Free Android app to organise your peptide routine — doses, vials, schedules and reminders.

ProductPerch

Daily product launch platform with free slots and upvote-based ranking.

Recently added

New verified products

All verified

• BacklinkGenie AI outreach agent that finds prospects, writes pitches, and sends emails. Marketing & SalesPaid
• PepVault Free Android app to organise your peptide routine — doses, vials, schedules and reminders. HealthcareFree
• ProductPerch Daily product launch platform with free slots and upvote-based ranking. Marketing & SalesFreemium
• Ad Multiplier Create visual variations from an existing short video ad. AI & Machine LearningPaid
• At Yours Browser games and printable adventures for couples, families and friends Media & EntertainmentFreemium
• SoftwareFinder Software reviews and free personalized recommendations Marketing & SalesFree
• MMyPhotoAI AI headshots from US$5. No subscription. AI & Machine LearningPaid
• Whop Payments infrastructure for checkout, subscription billing, embedded payments and global payouts. Finance & AccountingPaid
• ConvertNow Analytics Cookieless WordPress analytics with 60+ reports, no consent banner, no third party. Analytics & DataFree
• ConvertDash Cookieless web analytics that counts real readers and lists refused bots by name. Analytics & DataFreemium
• K2Mailer Affordable Bulk Email Marketing with Reliable Deliverability Marketing & SalesFreemium
• LevCharity The Digital Platform for Modern Nonprofits OtherPaid

Browse by category

Software for every part of your startup

16 categories, from AI and developer tools to marketing, design and analytics.

All products

• 784 productsFinance & AccountingInvoicing, payments, accounting and finance tools.
• 641 productsAI & Machine LearningAI assistants, agents, image and video tools, and ML platforms.
• 430 productsProductivity & Project ManagementProject, task, notes and team workflow tools.
• 361 productsDeveloper ToolsAPIs, hosting, testing, monitoring and build tools.
• 354 productsE-commerceStore builders, payments, shipping and merchant tools.
• 297 productsHealthcareHealth, wellness and medical software.
• 281 productsMarketing & SalesSEO, email, CRM, advertising and outreach tools.
• 214 productsSecurity & PrivacySecurity, identity, privacy and compliance tools.

Compare software

Compare alternatives side by side

See how a product stacks up against its closest alternatives: pricing, strengths and who each one suits.

All comparisons

Latest comparisons

• Braintrust alternatives Talent network owned by its members
• BackerKit alternatives The only end-to-end crowdfunding platform built for today’s creators
• P Pragmatic Leaders (Ankai Inc) alternatives AI-powered Corporate Training: Faster, Smarter, and More Effective
• MedMe Health alternatives Software for pharmacies to move beyond dispensing
• Afriex alternatives Instant, low-fee remittances
• Legionfarm alternatives AI workspace for professional gamers
• Pahamify alternatives College entrance test preparation App for students in Indonesia
• Pulley alternatives Pulley helps founders and finance teams manage their equity and cap…
• Zeitview alternatives Inspection software for renewable energy & sustainable infrastructure

[Best-of list16 products

Best Accounting Software

For most small businesses and freelancers, Xero is the strongest all-around pick with bank feeds, invoicing, and payroll in one place. FreshBooks suits freelancers and service businesses that want simple invoicing and payments. For UK-based freelancers and contractors, FreeAgent is the best choice because it handles HMRC tax filing and payroll directly.Read the list](https://startupog.com/best-accounting-software) [Best-of list16 products

Best AI Writing Tools

For marketing teams scaling on-brand content, Jasper.ai is the strongest pick with its 100+ purpose-built agents and brand voice control. For fiction authors, Sudowrite is the best dedicated tool, offering story-specific features like Story Bible and Muse 1.5. For freelancers and small teams on a budget, Rytr is the top choice with a free plan, plagiarism checker, and 40+ templates.Read the list](https://startupog.com/best-ai-writing-tools) [Best-of list14 products

Best Banking Platforms

The best banking platforms are Increase for fintechs needing direct access to US payment rails, Column for developers wanting programmable banking infrastructure, and Temenos for established banks modernizing core systems. Increase suits fintechs building custom banking products, Column suits fintechs and financial institutions needing real-time payments and card issuing, and Temenos suits large banks needing end-to-end modernization.Read the list](https://startupog.com/best-banking-platforms) All best-of lists →

Free tools

Free tools for founders

Calculators, generators and checkers that run in your browser. No account needed.

All 34 tools

• MarketingSEO AuditFind on-page issues. Fix them. Check again.Open tool
• BusinessInvoice GeneratorCreate an invoice. Save a draft. Bill again.Open tool
• BusinessGST Invoice GeneratorGST invoices with HSN codes, your logo and a clear tax breakdown.Open tool
• BusinessHSN Code FinderFind HSN and SAC codes. Carry them straight into an invoice.Open tool
• MarketingUTM BuilderGenerate clean, trackable campaign URLs.Open tool
• CalculatorsProfit Margin CalculatorMargin, markup and profit from cost and price.Open tool
• CalculatorsROI CalculatorReturn on investment % and net profit.Open tool
• GeneratorsSlogan GeneratorDozens of catchy tagline ideas, instantly.Open tool

Free to useNo account neededWorks in your browser

Founder guides

Practical guides for founders

Guides on getting listed, distribution, invoicing, funding and running a small business.

All guides

• GST Invoice Checklist: What to Include Before Sending Oct 12, 2026 GST Invoice Checklist: What to Include Before SendingA practical pre-send GST invoice checklist covering Rule 46 requirements, document selection, HSN/SAC rules, place of supply, and e-invoicing validation.
• Invoice Payment Terms for Freelancers: Wording and Examples Sep 25, 2026 Invoice Payment Terms for Freelancers: Wording and ExamplesChoose freelancer invoice payment terms, use copy-ready wording with exact due dates, deposits and milestones, and follow a practical late-payment workflow.
• Best Directory Submission Services for Startups: 10 Compared Sep 25, 2026 Best Directory Submission Services for Startups: 10 ComparedCompare 10 startup directory submission services by price, submission method, proof of live listings, badge rules, and what to check before buying.

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FAQ

Frequently asked questions

How Startup OG works, and what to know before you list or buy.

About Startup OG

What is Startup OG?

Startup OG is a directory of software and tools for startups and small teams. Each product has a profile, and where we have enough information we compare it with its closest alternatives. We also publish free tools and founder guides.

How do I find the right software?

Browse by category, search for the job you need done, or open an alternatives page to compare a product you already know with its competitors. Verified listings are confirmed by their owners.

Is it free to list my product?

Yes. You can list for free by adding the Startup OG badge to your website and completing verification. There is also a $19 one-time option that does not require the badge.

What does the verified badge mean?

It means the owner has completed Startup OG’s listing verification. Verified listings can have a dedicated product page. It is not a rating or an endorsement of product quality.

Can I browse products that haven’t been claimed?

Yes. Unclaimed profiles stay in the directory and link to the product’s own website. Dedicated product pages become available after verification.

Are the free tools really free?

Yes. The calculators, generators and utilities in our free toolkit work in your browser without an account.