Keka vs Zstandard

Keka is a cloud HR and payroll platform covering employee records, hiring, onboarding, attendance, performance and project operations. Its HRIS manages organizational structures and connects employee lifecycle changes to related workflows. Hiring tools link job posting, candidate sourcing, interviews, offers and preboarding with employee records. For India payroll, Keka says it syncs attendance, leave and salary inputs and calculates TDS, PF, ESI and PT. Attendance can be recorded through biometric, GPS and mobile check-ins, with leave and overtime policies applied automatically. Performance features connect goals, reviews, feedback and one-on-ones. Project operations include planning, resource allocation, utilization, timesheets and billing. Employees can use the mobile app for leave, clocking in and out, expenses, payslips, tax details and helpdesk requests. Keka says it integrates with more than 100 tools, including Salesforce, Jira, Xero and Stripe, and provides API documentation. Plans listed on the US pricing page are marked as free trials, but numeric prices are not given. The company identifies Hyderabad, India, as its headquarters and 2014 as its founding year.

Zstandard is a lossless compression algorithm for real-time workloads, with controls that let users shift compression speed and ratio in small increments. Its reference implementation includes a C library and a command-line utility that creates and decodes .zst, .gz, .xz, and .lz4 files. The format is stable and documented in RFC 8878; the implementation is available under BSD or GPLv2. For small, related samples, training can produce a data-specific dictionary to improve compression. The same dictionary must be present for both compression and decompression, and the samples need to be correlated; there is no universal dictionary. The project documents builds with Make, CMake, Meson, Visual Studio, Buck, and Bazel, plus installation using vcpkg and Conan. Community bindings and ports are listed for languages including Python, Rust, Java, C#, JavaScript, Go, PHP, and Swift. Zstandard is free, with a free plan, and supports Linux, Windows, and macOS.