LiteDB vs rqlite: What are the differences?

### Introduction
LiteDB and rqlite are both lightweight, embeddable databases that are focused on simplicity and efficiency. Despite sharing some similarities, these databases have key differences that set them apart in terms of features and use cases.

1. **Storage Mechanism**: LiteDB stores data in a single file format, making it easy to manage and deploy in various environments. On the other hand, rqlite uses a distributed architecture with data stored across multiple nodes, providing fault tolerance and scalability for large-scale applications.

2. **SQL Support**: LiteDB provides a simplified query language that is easy to use for developers familiar with SQL, offering basic CRUD operations with MongoDB-like syntax. In contrast, rqlite supports full SQL capabilities, allowing for complex queries and transactions that are compatible with existing databases.

3. **Consistency and Availability**: LiteDB prioritizes consistency over availability, ensuring that all operations are reliably executed in a single instance. Rqlite, on the other hand, focuses on high availability by distributing data across nodes and using a consensus algorithm to maintain consistency in the face of node failures.

4. **Performance**: LiteDB is optimized for single-instance, low-latency operations, making it suitable for applications with smaller datasets and lower throughput requirements. Rqlite is designed for distributed computing, offering higher performance and scalability for applications that require concurrent access to large volumes of data.

5. **Community and Ecosystem**: LiteDB has a smaller but active community of users and contributors, with a focus on lightweight applications and embedded systems. Rqlite has a larger community and ecosystem, with support for additional features such as replication, sharding, and monitoring tools for managing distributed deployments.

6. **Deployment Flexibility**: LiteDB is ideal for applications that need a simple, self-contained database solution that can be easily embedded within an application without additional dependencies. In contrast, rqlite is more suitable for distributed applications that require high availability, fault tolerance, and scalability across multiple nodes.

In Summary, LiteDB and rqlite differ in terms of storage mechanism, SQL support, consistency and availability, performance, community and ecosystem, and deployment flexibility.