DbVisualizer is a universal database client for anyone who works with data, from solo developers and startups to professional teams managing complex environments, including developers, DBAs, analysts, and data engineers working with relational and NoSQL databases. It offers a graphical interface for database development, SQL querying, and data exploration. Key features:
- SQL editor with autocomplete, visual query builders, variables, and execution tools
- AI Assistant for questions, error explanations, and code analysis
- Built-in Git integration for SQL scripts and collaboration
- Customizable layouts, key bindings, and UI themes
- Favorite scripts and database objects for quick access
- Configurable security settings for organizations
Connects to popular databases via JDBC, including MySQL, PostgreSQL, SQL Server, Oracle, Snowflake, SQLite, Cassandra, and BigQuery. Runs on Windows, macOS, and Linux. 7 million downloads, Pro users in 150 countries.
Learn more

Chainstack is a blockchain node platform that powers global Web3 applications across fintech, DeFi, wallets, custodians, gaming, AI agents, trading, and analytics.
Chainstack's core products include Global Node, low-latency RPC endpoints for everyday workloads; Dedicated Node, single-tenant nodes with guaranteed resources for heavy workloads; reliable infrastructure built for trading bots and MEV strategies; and Unlimited Node, an add-on for unmetered request scaling. Together with Chainstack Self-Hosted for teams that need infrastructure on their own premises, these products cover every stage from prototyping to institutional-scale deployment.
Chainstack supports major blockchain networks, including Ethereum, Solana, BNB Chain, Polygon, Hyperliquid, Arc, Robinhood Chain, and other EVM-based and non-EVM chains, with elastic (auto-scaling) and dedicated node instances across mainnet and testnet. For Solana-focused trading and MEV operators, Chainstack offers the Yellowstone gRPC Geyser plugin for real-time on-chain data streaming and Jito ShredStream for low-latency transaction propagation.
Deployment options span the public cloud, preferred service providers, or fully self-hosted infrastructure, all managed through a single console with standardized node management across chains and environments. Core infrastructure features include global load-balanced RPC endpoints, blockchain data APIs, node monitoring, and request-unit-based usage tracking, keeping performance predictable and costs transparent as usage grows.
Chainstack offers a free Developer plan alongside paid Growth, Pro, Business, and Enterprise plans, so teams can start building at no cost and scale into preferred infrastructure setup as usage grows.
Teams cut time-to-market, cost, and risk with a single platform for blockchain nodes, whether in the cloud, through a preferred service provider, or self-hosted. Standardized node management across chains and environments puts reliability on autopilot and keeps performance predictable.
Operators get control and transparency, while developers get a consistent way to build and scale. Fintech companies, DeFi protocols, wallets, custodians, trading firms, analytics platforms, and Web3 service providers running fleets use Chainstack as the fastest way to run reliable, predictable blockchain nodes at scale.
Learn more
KairosDB
Data can be pushed in KairosDB via multiple protocols like Telnet, Rest and Graphite. Other mechanisms such as plugins can also be used. KairosDB stores time series in Cassandra, the popular and performant NoSQL datastore. The schema consists of 3 column families. This API provides operations to list existing metric names, list tag names and values, store metric data points, and query for metric data points. With a default install, KairosDB serve up a query page whereby you can query data within the data store. It's designed primarily for development purposes. Aggregators perform an operation on data points and down samples. Standard functions like min, max, sum, count, mean and more are available. Import and export is available on the KairosDB server from the command line. Internal metrics to the data store can monitor the server’s performance.
Learn more