As a bootstrapped startup, securing funding can be a daunting task, especially when you don't have the resources to create an expensive pitch deck. However, a well-crafted pitch deck can still make a huge impact on investors and help you secure the funding you need. In this article, we'll showcase the top 10 best pitch decks created by successful bootstrapped startups, and break down what makes them so effective.

1. Buffer: Buffer's pitch deck focuses on the problem they're solving (social media management), their target market (small business owners and marketers), and their unique selling proposition (simplicity and affordability). They also include real-world examples of customer feedback and testimonials.

2. Crew: The pitch deck for Crew showcases their product (a marketplace for freelancers) and highlights their unique approach to solving the problem of finding quality freelancers. They also include important metrics, such as their revenue and growth rate.

3. Intercom: Intercom's pitch deck focuses on their innovative approach to customer communication and how it sets them apart from their competitors. They also highlight their impressive growth rate and user acquisition strategies.

4. Square: Square's pitch deck is simple and to the point, showcasing their mobile payment solution and highlighting key metrics such as their transaction volume and revenue.

5. Moz: Moz's pitch deck focuses on their product (SEO tools for small businesses) and highlights their impressive growth rate, revenue, and user acquisition strategies.

6. Dropbox: Dropbox's pitch deck is visual and compelling, showcasing their cloud storage solution and highlighting key metrics such as their user base and retention rates.

7. Airbnb: Airbnb's pitch deck is focused on their unique approach to travel and how they are disrupting the hospitality industry. They also highlight key metrics such as their user base and revenue.

8. Kissmetrics: Kissmetrics' pitch deck showcases their product (a customer analytics platform) and highlights key metrics such as their revenue and user acquisition strategies.

9. Grammarly: Grammarly's pitch deck focuses on their product (an AI-powered writing assistant) and highlights key metrics such as their revenue and user base.

10. Hootsuite: Hootsuite's pitch deck showcases their social media management platform and highlights key metrics such as their revenue and user base.

Each of these pitch decks has its own unique style and approach, but they all have a few things in common: they clearly and concisely articulate the problem they are solving, showcase their product or service in a compelling way, and highlight key metrics and growth strategies. By studying these pitch decks, bootstrapped startups can gain valuable insights and inspiration for creating their own effective pitch deck that resonates with investors and helps them secure the funding they need to succeed.