Y Combinator, the innovative accelerator from Silicon Valley, recently wrapped up its second Demo Day for the 2024 Summer batch. As was observed on Day 1, a significant majority of the startups focused on AI technology.

However, some startups stood out with their unique technological innovations, including unjammable drones, freight sharing, and advanced weather forecasting.

Here are some of the distinctive companies:

Company Description: Specializes in identifying and rectifying engineering project errors autonomously.

Why it stood out: Entangl sparked interest when they revealed talks with Amazon CEO Andy Jassy about automating data center verification. Their existing partnerships with AWS and Vodafone further highlight their potential.

Company Description: Produces energy-efficient chips for AI applications.

Why it stood out: Exa’s chips, in early tests, have shown to be almost 28 times more efficient than NVIDIA’s H100s. They are capable of adapting to various models through software configuration. Exa plans to make them available by early 2025.

Company Description: Works on an autoimmune therapy targeting cancer.

Why it stood out: Kopra Bio’s innovative drug could be a significant breakthrough in cancer treatment. Early animal trials have shown promising results, potentially paving the way for a game-changing drug.

Company Description: Provides AI-powered bookkeeping services for startups.

Why it stood out: LedgerUp’s AI is designed to simplify bookkeeping for businesses, managing everything from transactions to taxes. This could revolutionize bookkeeping practices.

Company Description: Provides a range of productivity apps for growing businesses.

Why it stood out: OrgOrg, founded by Wayne Crosby, aims to help businesses consolidate their app usage. Crosby’s successful track record, including selling his first company to Google, adds to the appeal of OrgOrg.

Company Description: Offers freight sharing services.

Why it stood out: Oway allows small businesses to share truck space, thereby saving on shipping costs. It’s essentially ridesharing for freight, offering a faster and cheaper solution.

Company Description: Builds advanced models for weather prediction.

Why it stood out: Silurian’s founders have developed their own weather prediction engine, claimed to be more accurate than Microsoft Research’s Aurora. Their models for simulating the entire planet, starting with weather, could revolutionize forecasting.

Company Description: Creates drones that cannot be jammed.

Why it stood out: Theseus’s drones can evade jamming, a significant advantage in warfare. This innovation could be a game-changer in conflict zones, as seen in the Russia-Ukraine war.

Company Description: Develops AI-controlled traffic lights to reduce congestion and accidents.

Why it stood out: Xtraffic’s AI-controlled traffic lights are already in operation in several Texas cities. Their technology offers a promising solution to traffic woes and could soon be seen in more cities across the US.