A connected environment for applications, files, devices, and work.
BUILD / FUSION: OSFUSION: OS (Operating System) brings advanced compression, deduplication, faster file workflows, SIP calling, speech services, Programmable Node Engines, outcome-driven automation, and Linux, Windows, Android, and Chrome compatibility into one connected environment.Product overviewAll products
How it connects
Portfolio advantageShared runtime, provider, storage, identity, device, and deployment capabilities connect FUSION: OS with FUSION: IDE, FUSION: Engage, and FUSION: VFS without forcing them into one oversized application.
What FUSION: OS brings together.
WHAT IT ENABLESAdvanced storage, faster file workflows, SIP, speech, programmable nodes, and outcome automation become shared operating capabilities.
Integrated Advanced Compression and Deduplication
01Reduce storage and transfer overhead by identifying repeated content, compressing data intelligently, and reusing exact blocks across files and versions.
Better File Browsing & Copying
02Browse large trees responsively and move or copy data with same-volume moves, reflinks, kernel-assisted paths, parallel work, verification, and safe fallbacks.
Built-in SIP Phone
03Session Initiation Protocol (SIP) calling places, receives, routes, and manages calls from the operating environment while connecting communications to contacts, applications, and workflows.
Built-in Text to Speech / Speech to Text
04Read content aloud, dictate text, transcribe audio, and expose speech capabilities to approved applications through shared system services.
Programmable Node Engines
05Run portable, policy-bounded nodes for automation, media, intelligence, storage, device control, and background jobs close to the data.
Workflow and Outcome Engine
06Define work by the result that must be achieved. FUSION: OS coordinates applications, files, devices, services, and human tasks; tracks progress; handles failures and retries; and records evidence when the outcome is complete.
Linux, Windows, Android, and Chrome Compatible
07Carry the same application, file, programmable-node, SIP, speech, device, and connected-service capabilities across Linux, Windows, Android, and Chrome environments.
Fusionscript · FSML · FSS · CAPABILITY ABI · PROVIDERS
Infrastructure
LOCAL · CLOUD · WINDOWS · LINUX · CONNECTED SERVICES
Designed to work with the rest of Fusion.
CONNECTED PRODUCTS
FUSION: IDE
BUILDSource code, visual tools, previews, contracts, diagnostics, packaging, and multi-target compilation remain in one workspace.Explore FUSION: IDE
FUSION: Engage
CONNECTFUSION: Engage PBX, Mail Server, Webmail, messaging, reception, delivery evidence, and follow-up connect communications directly with customers and work.Explore FUSION: Engage
FUSION: VFS
PROTECTTransparent virtual drives bring proprietary high-speed compression, deduplication, integrity, versions, and recovery into familiar Windows file workflows.Explore FUSION: VFS
Explore the connected Fusion portfolio.
Explore the complete Fusion portfolio across creation, operations, communications, development, delivery, storage, and protection.Explore every productFusion Software LLC · 2026FUSION: OS