eAbacus vs NanoOps

eAbacus is a modern digital abacus for iPhone, iPad, and Mac. Feel natural bead motion under your fingertips—great for mental-math practice, mnemonic lessons, and classroom demos. REAL DIALING • Tap, drag, and multi-touch multiple rods at once • Optional click sound and haptics • Live reading above the board, plus place-value labels on the beam • Auto or manual rod count, with a clear units marker TEACHING MODE • Addition, subtraction, multiplication, and division mnemonics • Step-by-step bead highlights—practice or watch a demo • Clear the board to return to a verse’s starting state • Ideal for self-study, parents, and teachers EXAM MODE • Timed problems with selectable operations and difficulty • Dial the answer on the board, then submit • Closed-book option hides the reading and place labels—perfect for quizzes HISTORY & SHARE • Saves from clears, finished exams, and manual snapshots • Restore any board state, or screenshot and share MAC PODIUM MIRRORING • Dial on iPhone or iPad; a Mac on the same LAN mirrors the board live • Giant reading, place labels, and teaching steps for projection • Built for classrooms, tutoring, and live demos Whether you’re learning abacus basics, practicing mental arithmetic, or teaching mnemonics on a big screen—eAbacus makes the classic abacus ready for today’s devices.

NanoOps is the mobile client for the open-source NanoLink ecosystem, built for system administrators, developers and HomeLab users. Connect to your own NanoLink Server to monitor infrastructure and perform permission-controlled remote operations from anywhere. Mobile app • Manage multiple NanoLink Server instances • View live CPU, memory, disk, network, GPU and NPU metrics • Explore history charts, online status, alerts and audit records • Use L0–L3 permission tiers for remote terminal and node actions • Pair with QR codes, six-digit codes, an account or a device token • Keep tokens and credentials in platform secure storage • Use English or Simplified Chinese, light/dark themes and local notifications Server • Self-hosted Go server and web console • Receives Agent data over gRPC and serves clients through REST and WebSocket • Includes accounts, device pairing, node groups, permissions, alerts, audit and metric history • Supports TLS, optional mTLS, token authentication and MCP AI operations integration Agent • Rust implementation for Linux, macOS and Windows • Collects CPU, memory, disk, network, GPU, NPU, system and session data • Supports offline buffering, automatic reconnect and multiple servers • Runs permission-controlled process, service, Docker, file, log, deployment and shell actions • Protects high-risk actions with allowlists/blocklists, SuperToken, rate limits and audit logs NanoOps does not provide hosted servers. To use the full product, deploy NanoLink Server and install NanoLink Agent on the computers you manage. NanoLink is open source under the MIT License: https://github.com/chenqi92/NanoLink