If you're looking for a CodeAssist alternative, Codeium is a good option. It supports more than 70 programming languages and integrates with major IDEs for features like advanced code completion, AI-powered search and an AI chat assistant. Codeium is geared for individuals and teams, with a tiered pricing system, and has data security and privacy as a top priority.
Another good option is Tabnine, which offers AI code assistance and automates repetitive tasks. It doesn't share your code, supporting many programming languages and IDEs. Tabnine is highly customizable, letting you create custom models trained on your own codebase, and offers free and Pro plans with more advanced features and support.
If you're more invested in GitHub, GitHub Copilot offers context-aware help in the development process. It can offer code completions based on project context, convert natural language prompts into code suggestions, and even offer chat help for coding questions. It has multiple pricing tiers, so it's good for individuals, businesses and enterprises.
Last, Sourcegraph offers a code intelligence platform with tools like Cody, Code Search and Code Insights. It helps developers navigate and search large codebases, with features like cross-repository code navigation and automated large-scale code changes. Sourcegraph supports popular IDEs and can be run in the cloud or self-hosted, so it's a good option for development teams.